Feature/automautic room closing (#5)

* Room now closes when nobody is in the room

* cleanup

Websockets/RoomManager.cs

@@ -7,7 +7,7 @@ public class RoomManager : IRoomManager
     public string CreateRoom()
     {
         var roomId = Guid.NewGuid().ToString();
-        var room = new Room();
+        var room = new Room(this, roomId);
         Rooms.Add(roomId, room);
         return roomId;
     }
@@ -31,14 +31,6 @@ public class RoomManager : IRoomManager
     {
         return Rooms.ContainsKey(roomId);
     }
-    
-    public void RemoveAllRooms()
-    {
-        foreach (var room in Rooms.Where(room => room.Value.IsEmpty()))
-        {
-            Rooms.Remove(room.Key);
-        }
-    }
 }
 
 public interface IRoomManager
@@ -48,5 +40,4 @@ public interface IRoomManager
     public List<string> GetAllRooms();
     public void RemoveRoom(string roomId);
     public bool RoomExists(string roomId);
-    public void RemoveAllRooms();
 }