Slightly rework death screen

Zennysoft.Game.Ma.Implementation/Game/GameRepo.cs

@@ -38,6 +38,8 @@ public interface IGameRepo : IDisposable
 
   public void CloseInventory();
 
+  public void GameEnded();
+
   public double ExpRate { get; }
 }
 
@@ -109,7 +111,7 @@ public class GameRepo : IGameRepo
     CloseInventoryEvent?.Invoke();
   }
 
-  public void OnGameEnded()
+  public void GameEnded()
   {
     Pause();
     Ended?.Invoke();