Add complete multiplayer system with real-time gameplay, challenge system, and 50x50 board option

node_modules/engine.io/build/transports-uws/index.d.ts

@@ -0,0 +1,7 @@
+import { Polling } from "./polling";
+import { WebSocket } from "./websocket";
+declare const _default: {
+    polling: typeof Polling;
+    websocket: typeof WebSocket;
+};
+export default _default;