Move App logic to other projects

Zennysoft.Game.Abstractions/App/IAppRepo.cs

@@ -0,0 +1,22 @@
+namespace Zennysoft.Game.Abstractions;
+
+public interface IAppRepo : IDisposable
+{
+  event Action? GameEntered;
+
+  event Action? GameExited;
+
+  event Action? SplashScreenSkipped;
+
+  event Action? MainMenuEntered;
+
+  void SkipSplashScreen();
+
+  void OnMainMenuEntered();
+
+  void OnEnterGame();
+
+  void OnExitGame();
+
+  void OnGameOver();
+}