✨ adding SystemIcons struct to contains name of system images

DouShouQi_App/DouShouQi_App/Assets/Images/SystemIcons.swift

@@ -0,0 +1,15 @@
+//
+//  SystemIcons.swift
+//  DouShouQi_App
+//
+//  Created by Rémi REGNAULT on 28/05/2024.
+//
+
+import Foundation
+
+public struct SystemIcons {
+    static let DarkTheme = "moon"
+    static let LightTheme = "sun.max"
+    static let SoundOn = "speaker.2"
+    static let SoundOff = "speaker.slash"
+}

DouShouQi_App/DouShouQi_App/Views/Menu/SettingsView.swift

@@ -30,7 +30,7 @@ struct SettingsView: View {
                     
                     Spacer()
                     
-                    CustomSwitchButton(IsOn: $theme, imgSystemNameIsOff: "sun.max", imgSystemNameIsOn: "moon")
+                    CustomSwitchButton(IsOn: $theme, imgSystemNameIsOff: SystemIcons.LightTheme, imgSystemNameIsOn: SystemIcons.DarkTheme)
                 }
                 
                 Divider()
@@ -57,7 +57,7 @@ struct SettingsView: View {
                     
                     Spacer()
                     
-                    CustomSwitchButton(IsOn: $sound, imgSystemNameIsOff: "speaker.slash", imgSystemNameIsOn: "speaker.2")
+                    CustomSwitchButton(IsOn: $sound, imgSystemNameIsOff: SystemIcons.SoundOff, imgSystemNameIsOn: SystemIcons.SoundOn)
                 }
                 
                 Divider()