fix: matchmaking support start stop, multi connection

frontend/static/js/api/matchmaking.js

@@ -14,7 +14,7 @@ class MatchMaking
 		this.searching = false;
 	}
 		
-	async start(func, mode)
+	async start(receive_func, disconnect_func, mode)
 	{
 		if (!await this.client.isAuthentificate())
 			return null;
@@ -25,10 +25,21 @@ class MatchMaking
 		
 		this.searching = true;
 
+		this.receive_func = receive_func;
+		this.disconnect_func = disconnect_func;
+
 		this._socket.onmessage = function (event) {
 			const data = JSON.parse(event.data);
-			func(data.game_id)
+			receive_func(data);
 		};
+
+		this._socket.onclose = this.onclose.bind(this);
+	}
+
+	onclose(event)
+	{
+		this.stop();
+		this.disconnect_func()
 	}
 
 	async stop()