룸의 key값이 이름으로 저장되는 이슈 해결

@@ -17,7 +17,7 @@ export class RoomManager {
 
   public create(name: string, maxConnections: number): Room {
     const room = new Room(name, maxConnections);
-    this.rooms.set(name, room);
+    this.rooms.set(room.uuid, room);
     return room;
   }