Merge pull request 'WIP Creer interface IManager' (#36) from creer_interface_manager into main

Reviewed-on: #36

Sources/Model/IManager.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Model
+{
+    internal interface IManager
+    {
+
+    }
+}