Add first miggration

src/GameIdeas/GameIdeas.Shared/Model/Game.cs

@@ -11,7 +11,7 @@ public partial class Game
         GameDevelopers = new HashSet<GameDeveloper>();
     }
 
-    public Guid Id { get; set; }
+    public int Id { get; set; }
     public string Title { get; set; } = null!;
     public DateTime? ReleaseDate { get; set; }
     public DateTime CreationDate { get; set; }