Rooms and matchmaking debugging

* Dorm is not properly cloned (fix this)
* Basic matchmaking implementation
* Goto route
* Goto DormRoom

src/data/live/instances.ts

@@ -29,10 +29,6 @@ const instancePlayers: Map<RoomInstance, Set<Profile>> = new Map();
  * `Map<roomId (number), RoomInstance>`
  */
 const instanceMap: Map<number, Set<RoomInstance>> = new Map();
-/**
- * `Map<instanceId (number), roomId (number)>`
- */
-const instanceRoomMap: Map<number, number> = new Map();
 
 class InstancesBase {