diff --git a/.drone.yml b/.drone.yml
index 06bd01a..452d1c6 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,6 +11,12 @@ trigger:
 steps:
   #- name: lint
   - name: format
+    image: hub.codefirst.iut.uca.fr/marc.chevaldonne/codefirst-dotnet7-maui:latest
+    commands:
+      - dotnet tool install -g CSharpier # Installez CSharpier si necessaire
+      - cd src/
+      - csharpier --check .  # Verifie le formatage
+      - csharpier --write .  # Applique le formatage
 
   - name: build
     image: hub.codefirst.iut.uca.fr/marc.chevaldonne/codefirst-dotnet7-maui:latest
diff --git a/BookApp/BookApp.sln b/src/BookApp.sln
similarity index 100%
rename from BookApp/BookApp.sln
rename to src/BookApp.sln
diff --git a/BookApp/BookApp/App.xaml b/src/BookApp/App.xaml
similarity index 100%
rename from BookApp/BookApp/App.xaml
rename to src/BookApp/App.xaml
diff --git a/BookApp/BookApp/App.xaml.cs b/src/BookApp/App.xaml.cs
similarity index 100%
rename from BookApp/BookApp/App.xaml.cs
rename to src/BookApp/App.xaml.cs
diff --git a/BookApp/BookApp/AppShell.xaml b/src/BookApp/AppShell.xaml
similarity index 100%
rename from BookApp/BookApp/AppShell.xaml
rename to src/BookApp/AppShell.xaml
diff --git a/BookApp/BookApp/AppShell.xaml.cs b/src/BookApp/AppShell.xaml.cs
similarity index 100%
rename from BookApp/BookApp/AppShell.xaml.cs
rename to src/BookApp/AppShell.xaml.cs
diff --git a/BookApp/BookApp/BookApp.csproj b/src/BookApp/BookApp.csproj
similarity index 100%
rename from BookApp/BookApp/BookApp.csproj
rename to src/BookApp/BookApp.csproj
diff --git a/BookApp/BookApp/MainPage.xaml b/src/BookApp/MainPage.xaml
similarity index 98%
rename from BookApp/BookApp/MainPage.xaml
rename to src/BookApp/MainPage.xaml
index e730548..9baf73c 100644
--- a/BookApp/BookApp/MainPage.xaml
+++ b/src/BookApp/MainPage.xaml
@@ -3,44 +3,44 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="BookApp.MainPage">
 
-    <ContentPage.ToolbarItems>
-        <ToolbarItem Command="{Binding SetLowBrightnessCommand}">
-            <ToolbarItem.Text Text="Add" Clicked="Add_Clicked" />
-            <ToolbarItem.IconImageSource>
-                <FontImageSource
-                FontFamily="MaterialIconsOutlined-Regular"
-                Glyph="&#xe51c;"/>      
-            </ToolbarItem.IconImageSource>
-        </ToolbarItem>
-    </ContentPage.ToolbarItems>
+    <ContentPage.ToolbarItems>
+        <ToolbarItem Command="{Binding SetLowBrightnessCommand}">
+            <ToolbarItem.Text Text="Add" Clicked="Add_Clicked" />
+            <ToolbarItem.IconImageSource>
+                <FontImageSource
+                FontFamily="MaterialIconsOutlined-Regular"
+                Glyph="&#xe51c;"/>      
+            </ToolbarItem.IconImageSource>
+        </ToolbarItem>
+    </ContentPage.ToolbarItems>
 
     <StackLayout>
         <Label>Mes livres</Label>
-
-        <CollectionView ItemsSource="{Binding MyCollections}">
-            <CollectionView.ItemTemplate>
-                <DataTemplate>
-                    <Grid Padding="0" RowDefinitions="Auto">
-
-
-                        <Image Source="{Binding Icone}"
-                       HeightRequest="60"
-                       WidthRequest="60" />
-
-                        <Label Text="{Binding Name}"
-                       FontAttributes="Bold" />
-                      
-                      <!-- Si veiw cela vaudra peut-être le coup de faire une content view (équiavalent de user control) -->
-                        
-                    </Grid>
-                </DataTemplate>
-            </CollectionView.ItemTemplate>
-        </CollectionView>
-        <Button Text="Click to Rotate Text!"
-            VerticalOptions="Center"
-            HorizontalOptions="Center"
-            Clicked="OnButtonClicked" />
-
+
+        <CollectionView ItemsSource="{Binding MyCollections}">
+            <CollectionView.ItemTemplate>
+                <DataTemplate>
+                    <Grid Padding="0" RowDefinitions="Auto">
+
+
+                        <Image Source="{Binding Icone}"
+                       HeightRequest="60"
+                       WidthRequest="60" />
+
+                        <Label Text="{Binding Name}"
+                       FontAttributes="Bold" />
+                      
+                      <!-- Si veiw cela vaudra peut-être le coup de faire une content view (équiavalent de user control) -->
+                        
+                    </Grid>
+                </DataTemplate>
+            </CollectionView.ItemTemplate>
+        </CollectionView>
+        <Button Text="Click to Rotate Text!"
+            VerticalOptions="Center"
+            HorizontalOptions="Center"
+            Clicked="OnButtonClicked" />
+
     </StackLayout>
    
     
diff --git a/BookApp/BookApp/MainPage.xaml.cs b/src/BookApp/MainPage.xaml.cs
similarity index 98%
rename from BookApp/BookApp/MainPage.xaml.cs
rename to src/BookApp/MainPage.xaml.cs
index fefd72a..2e0cfb8 100644
--- a/BookApp/BookApp/MainPage.xaml.cs
+++ b/src/BookApp/MainPage.xaml.cs
@@ -1,5 +1,5 @@
-using System.Collections.ObjectModel;
-
+using System.Collections.ObjectModel;
+
 namespace BookApp
 {
     public partial class MainPage : ContentPage
@@ -7,34 +7,34 @@ namespace BookApp
         public class ObjetTemp
         {
             public string Name { get; set; }
-            public string Icone { get; set; }
-            public ObjetTemp(string name, string icone) { Name = name; Icone = icone; }
-        }
-
-        public ObservableCollection<ObjetTemp> MyCollections { get; set; }
-
+            public string Icone { get; set; }
+            public ObjetTemp(string name, string icone) { Name = name; Icone = icone; }
+        }
+
+        public ObservableCollection<ObjetTemp> MyCollections { get; set; }
+
         public MainPage()
         {
             InitializeComponent();
-            MyCollections = new ObservableCollection<ObjetTemp>()
-            {
-                new ObjetTemp("Item1", "./Reources/Images/tray_2_fill.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/person_badge_clock_fill.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/arrow_forward.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/eyeglasses.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/heart_fill.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/tag_fill.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/person_fill.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/calendar.svg"),
-                new ObjetTemp("Item1", "./Reources/Images/sparkles.svg"),
-            };
+            MyCollections = new ObservableCollection<ObjetTemp>()
+            {
+                new ObjetTemp("Item1", "./Reources/Images/tray_2_fill.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/person_badge_clock_fill.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/arrow_forward.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/eyeglasses.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/heart_fill.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/tag_fill.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/person_fill.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/calendar.svg"),
+                new ObjetTemp("Item1", "./Reources/Images/sparkles.svg"),
+            };
             BindingContext = this;
         }
-   
-        async void OnButtonClicked(object sender, EventArgs args)
-        {
-            await Shell.Current.GoToAsync(nameof(Tous));
-        }
-
+   
+        async void OnButtonClicked(object sender, EventArgs args)
+        {
+            await Shell.Current.GoToAsync(nameof(Tous));
+        }
+
     }
 }
\ No newline at end of file
diff --git a/BookApp/BookApp/MauiProgram.cs b/src/BookApp/MauiProgram.cs
similarity index 100%
rename from BookApp/BookApp/MauiProgram.cs
rename to src/BookApp/MauiProgram.cs
diff --git a/BookApp/BookApp/Pages/Tous.xaml b/src/BookApp/Pages/Tous.xaml
similarity index 95%
rename from BookApp/BookApp/Pages/Tous.xaml
rename to src/BookApp/Pages/Tous.xaml
index 67b6080..4aa52a0 100644
--- a/BookApp/BookApp/Pages/Tous.xaml
+++ b/src/BookApp/Pages/Tous.xaml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
-             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             x:Class="BookApp.Tous"
-             Title="Tous">
-    <ContentPage.Content>
-        <StackLayout>
-            <Label Text="Welcome to Xamarin.Forms!"
-                VerticalOptions="CenterAndExpand" 
-                HorizontalOptions="CenterAndExpand" />
-        </StackLayout>
-    </ContentPage.Content>
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="BookApp.Tous"
+             Title="Tous">
+    <ContentPage.Content>
+        <StackLayout>
+            <Label Text="Welcome to Xamarin.Forms!"
+                VerticalOptions="CenterAndExpand" 
+                HorizontalOptions="CenterAndExpand" />
+        </StackLayout>
+    </ContentPage.Content>
 </ContentPage>
\ No newline at end of file
diff --git a/BookApp/BookApp/Pages/Tous.xaml.cs b/src/BookApp/Pages/Tous.xaml.cs
similarity index 94%
rename from BookApp/BookApp/Pages/Tous.xaml.cs
rename to src/BookApp/Pages/Tous.xaml.cs
index 5dd594e..6213f30 100644
--- a/BookApp/BookApp/Pages/Tous.xaml.cs
+++ b/src/BookApp/Pages/Tous.xaml.cs
@@ -1,19 +1,19 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-
-
-namespace BookApp
-{
-    [XamlCompilation(XamlCompilationOptions.Compile)]
-    public partial class Tous : ContentPage
-    {
-        public Tous()
-        {
-            InitializeComponent();
-        }
-    }
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+
+
+namespace BookApp
+{
+    [XamlCompilation(XamlCompilationOptions.Compile)]
+    public partial class Tous : ContentPage
+    {
+        public Tous()
+        {
+            InitializeComponent();
+        }
+    }
 }
\ No newline at end of file
diff --git a/BookApp/BookApp/Platforms/Android/AndroidManifest.xml b/src/BookApp/Platforms/Android/AndroidManifest.xml
similarity index 100%
rename from BookApp/BookApp/Platforms/Android/AndroidManifest.xml
rename to src/BookApp/Platforms/Android/AndroidManifest.xml
diff --git a/BookApp/BookApp/Platforms/Android/MainActivity.cs b/src/BookApp/Platforms/Android/MainActivity.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/Android/MainActivity.cs
rename to src/BookApp/Platforms/Android/MainActivity.cs
diff --git a/BookApp/BookApp/Platforms/Android/MainApplication.cs b/src/BookApp/Platforms/Android/MainApplication.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/Android/MainApplication.cs
rename to src/BookApp/Platforms/Android/MainApplication.cs
diff --git a/BookApp/BookApp/Platforms/Android/Resources/values/colors.xml b/src/BookApp/Platforms/Android/Resources/values/colors.xml
similarity index 100%
rename from BookApp/BookApp/Platforms/Android/Resources/values/colors.xml
rename to src/BookApp/Platforms/Android/Resources/values/colors.xml
diff --git a/BookApp/BookApp/Platforms/MacCatalyst/AppDelegate.cs b/src/BookApp/Platforms/MacCatalyst/AppDelegate.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/MacCatalyst/AppDelegate.cs
rename to src/BookApp/Platforms/MacCatalyst/AppDelegate.cs
diff --git a/BookApp/BookApp/Platforms/MacCatalyst/Info.plist b/src/BookApp/Platforms/MacCatalyst/Info.plist
similarity index 100%
rename from BookApp/BookApp/Platforms/MacCatalyst/Info.plist
rename to src/BookApp/Platforms/MacCatalyst/Info.plist
diff --git a/BookApp/BookApp/Platforms/MacCatalyst/Program.cs b/src/BookApp/Platforms/MacCatalyst/Program.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/MacCatalyst/Program.cs
rename to src/BookApp/Platforms/MacCatalyst/Program.cs
diff --git a/BookApp/BookApp/Platforms/Tizen/Main.cs b/src/BookApp/Platforms/Tizen/Main.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/Tizen/Main.cs
rename to src/BookApp/Platforms/Tizen/Main.cs
diff --git a/BookApp/BookApp/Platforms/Tizen/tizen-manifest.xml b/src/BookApp/Platforms/Tizen/tizen-manifest.xml
similarity index 100%
rename from BookApp/BookApp/Platforms/Tizen/tizen-manifest.xml
rename to src/BookApp/Platforms/Tizen/tizen-manifest.xml
diff --git a/BookApp/BookApp/Platforms/Windows/App.xaml b/src/BookApp/Platforms/Windows/App.xaml
similarity index 100%
rename from BookApp/BookApp/Platforms/Windows/App.xaml
rename to src/BookApp/Platforms/Windows/App.xaml
diff --git a/BookApp/BookApp/Platforms/Windows/App.xaml.cs b/src/BookApp/Platforms/Windows/App.xaml.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/Windows/App.xaml.cs
rename to src/BookApp/Platforms/Windows/App.xaml.cs
diff --git a/BookApp/BookApp/Platforms/Windows/Package.appxmanifest b/src/BookApp/Platforms/Windows/Package.appxmanifest
similarity index 100%
rename from BookApp/BookApp/Platforms/Windows/Package.appxmanifest
rename to src/BookApp/Platforms/Windows/Package.appxmanifest
diff --git a/BookApp/BookApp/Platforms/Windows/app.manifest b/src/BookApp/Platforms/Windows/app.manifest
similarity index 100%
rename from BookApp/BookApp/Platforms/Windows/app.manifest
rename to src/BookApp/Platforms/Windows/app.manifest
diff --git a/BookApp/BookApp/Platforms/iOS/AppDelegate.cs b/src/BookApp/Platforms/iOS/AppDelegate.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/iOS/AppDelegate.cs
rename to src/BookApp/Platforms/iOS/AppDelegate.cs
diff --git a/BookApp/BookApp/Platforms/iOS/Info.plist b/src/BookApp/Platforms/iOS/Info.plist
similarity index 100%
rename from BookApp/BookApp/Platforms/iOS/Info.plist
rename to src/BookApp/Platforms/iOS/Info.plist
diff --git a/BookApp/BookApp/Platforms/iOS/Program.cs b/src/BookApp/Platforms/iOS/Program.cs
similarity index 100%
rename from BookApp/BookApp/Platforms/iOS/Program.cs
rename to src/BookApp/Platforms/iOS/Program.cs
diff --git a/BookApp/BookApp/Properties/launchSettings.json b/src/BookApp/Properties/launchSettings.json
similarity index 100%
rename from BookApp/BookApp/Properties/launchSettings.json
rename to src/BookApp/Properties/launchSettings.json
diff --git a/BookApp/BookApp/Resources/AppIcon/appicon.svg b/src/BookApp/Resources/AppIcon/appicon.svg
similarity index 100%
rename from BookApp/BookApp/Resources/AppIcon/appicon.svg
rename to src/BookApp/Resources/AppIcon/appicon.svg
diff --git a/BookApp/BookApp/Resources/AppIcon/appiconfg.svg b/src/BookApp/Resources/AppIcon/appiconfg.svg
similarity index 100%
rename from BookApp/BookApp/Resources/AppIcon/appiconfg.svg
rename to src/BookApp/Resources/AppIcon/appiconfg.svg
diff --git a/BookApp/BookApp/Resources/Fonts/OpenSans-Regular.ttf b/src/BookApp/Resources/Fonts/OpenSans-Regular.ttf
similarity index 100%
rename from BookApp/BookApp/Resources/Fonts/OpenSans-Regular.ttf
rename to src/BookApp/Resources/Fonts/OpenSans-Regular.ttf
diff --git a/BookApp/BookApp/Resources/Fonts/OpenSans-Semibold.ttf b/src/BookApp/Resources/Fonts/OpenSans-Semibold.ttf
similarity index 100%
rename from BookApp/BookApp/Resources/Fonts/OpenSans-Semibold.ttf
rename to src/BookApp/Resources/Fonts/OpenSans-Semibold.ttf
diff --git a/BookApp/BookApp/Resources/Images/arrow_forward.svg b/src/BookApp/Resources/Images/arrow_forward.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/arrow_forward.svg
rename to src/BookApp/Resources/Images/arrow_forward.svg
diff --git a/BookApp/BookApp/Resources/Images/bookmark_fill.svg b/src/BookApp/Resources/Images/bookmark_fill.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/bookmark_fill.svg
rename to src/BookApp/Resources/Images/bookmark_fill.svg
diff --git a/BookApp/BookApp/Resources/Images/books_vertical_fill.svg b/src/BookApp/Resources/Images/books_vertical_fill.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/books_vertical_fill.svg
rename to src/BookApp/Resources/Images/books_vertical_fill.svg
diff --git a/BookApp/BookApp/Resources/Images/calendar.svg b/src/BookApp/Resources/Images/calendar.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/calendar.svg
rename to src/BookApp/Resources/Images/calendar.svg
diff --git a/BookApp/BookApp/Resources/Images/chevron_right.svg b/src/BookApp/Resources/Images/chevron_right.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/chevron_right.svg
rename to src/BookApp/Resources/Images/chevron_right.svg
diff --git a/BookApp/BookApp/Resources/Images/dotnet_bot.svg b/src/BookApp/Resources/Images/dotnet_bot.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/dotnet_bot.svg
rename to src/BookApp/Resources/Images/dotnet_bot.svg
diff --git a/BookApp/BookApp/Resources/Images/eyeglasses.svg b/src/BookApp/Resources/Images/eyeglasses.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/eyeglasses.svg
rename to src/BookApp/Resources/Images/eyeglasses.svg
diff --git a/BookApp/BookApp/Resources/Images/heart_fill.svg b/src/BookApp/Resources/Images/heart_fill.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/heart_fill.svg
rename to src/BookApp/Resources/Images/heart_fill.svg
diff --git a/BookApp/BookApp/Resources/Images/list_bullet.svg b/src/BookApp/Resources/Images/list_bullet.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/list_bullet.svg
rename to src/BookApp/Resources/Images/list_bullet.svg
diff --git a/BookApp/BookApp/Resources/Images/magnifyingglass.svg b/src/BookApp/Resources/Images/magnifyingglass.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/magnifyingglass.svg
rename to src/BookApp/Resources/Images/magnifyingglass.svg
diff --git a/BookApp/BookApp/Resources/Images/person_badge_clock_fill.svg b/src/BookApp/Resources/Images/person_badge_clock_fill.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/person_badge_clock_fill.svg
rename to src/BookApp/Resources/Images/person_badge_clock_fill.svg
diff --git a/BookApp/BookApp/Resources/Images/person_fill.svg b/src/BookApp/Resources/Images/person_fill.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/person_fill.svg
rename to src/BookApp/Resources/Images/person_fill.svg
diff --git a/BookApp/BookApp/Resources/Images/plus_icone.svg b/src/BookApp/Resources/Images/plus_icone.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/plus_icone.svg
rename to src/BookApp/Resources/Images/plus_icone.svg
diff --git a/BookApp/BookApp/Resources/Images/sparkles.svg b/src/BookApp/Resources/Images/sparkles.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/sparkles.svg
rename to src/BookApp/Resources/Images/sparkles.svg
diff --git a/BookApp/BookApp/Resources/Images/tag_fill.svg b/src/BookApp/Resources/Images/tag_fill.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/tag_fill.svg
rename to src/BookApp/Resources/Images/tag_fill.svg
diff --git a/BookApp/BookApp/Resources/Images/tray_2_fill.svg b/src/BookApp/Resources/Images/tray_2_fill.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Images/tray_2_fill.svg
rename to src/BookApp/Resources/Images/tray_2_fill.svg
diff --git a/BookApp/BookApp/Resources/Raw/AboutAssets.txt b/src/BookApp/Resources/Raw/AboutAssets.txt
similarity index 100%
rename from BookApp/BookApp/Resources/Raw/AboutAssets.txt
rename to src/BookApp/Resources/Raw/AboutAssets.txt
diff --git a/BookApp/BookApp/Resources/Splash/splash.svg b/src/BookApp/Resources/Splash/splash.svg
similarity index 100%
rename from BookApp/BookApp/Resources/Splash/splash.svg
rename to src/BookApp/Resources/Splash/splash.svg
diff --git a/BookApp/BookApp/Resources/Styles/Colors.xaml b/src/BookApp/Resources/Styles/Colors.xaml
similarity index 100%
rename from BookApp/BookApp/Resources/Styles/Colors.xaml
rename to src/BookApp/Resources/Styles/Colors.xaml
diff --git a/BookApp/BookApp/Resources/Styles/Styles.xaml b/src/BookApp/Resources/Styles/Styles.xaml
similarity index 100%
rename from BookApp/BookApp/Resources/Styles/Styles.xaml
rename to src/BookApp/Resources/Styles/Styles.xaml