Custom lobbies don't work in the latest version, point players to the stable custom lobby version

src/customLobby.js

@@ -1,6 +1,6 @@
 import WindowManager from "./windowManager.js";
 
-const customLobbiesUnavailable = false;
+const customLobbiesUnavailable = true;
 // const socketURL = "ws://localhost:8080/";
 const socketURL = "wss://fx-lobbies.peshomir.workers.dev/";
 const customMessageMarker = 120;