Start demon wall implementation

Zennysoft.Game.Ma/src/map/dungeon/code/BossFloor.cs

@@ -10,16 +10,16 @@ public partial class BossFloor : Node3D, IDungeonFloor
 {
   public override void _Notification(int what) => this.Notify(what);
 
-  [Node] private BossRoomA BossFloorA { get; set; } = default!;
+  [Node] private IBossRoom BossFloorRoom { get; set; } = default!;
 
   public ImmutableList<IDungeonRoom> Rooms => [];
 
   public void InitializeDungeon()
   {
-	FloorIsLoaded = true;
+    FloorIsLoaded = true;
   }
 
   public bool FloorIsLoaded { get; set; }
 
-  public Transform3D GetPlayerSpawnPoint() => BossFloorA.PlayerSpawn.GlobalTransform;
+  public Transform3D GetPlayerSpawnPoint() => BossFloorRoom.PlayerSpawn.GlobalTransform;
 }