changed client example to not use socket.io

example/newClient.ts

@@ -1,17 +1,26 @@
-import { io } from 'socket.io-client';
+import WebSocket from 'ws';
+const ws = new WebSocket('ws://localhost:3000/ws');
 
-const main = async () => {
-	const socket = io('http://localhost:3000');
-
-	socket.on('connect', () => {
-		socket.emit('subscribe', 'SOL-PERP');
+ws.on('open', () => {
+  console.log('Connected to the server');
+  ws.send(JSON.stringify({ type: 'subscribe', channel: 'SOL-PERP' }));
 });
 
-	socket.on('SOL-PERP', (data: any) => {
-		console.log(data);
+ws.on('message', (data: WebSocket.Data) => {
+  try {
+    const message = JSON.parse(data.toString());
+    if (message.channel === 'SOL-PERP') {
+      console.log('Received data:', message.data);
+    }
+  } catch (e) {
+    console.error('Invalid message:', data);
+  }
 });
-};
 
-main().then(() => {
-	console.log('running');
+ws.on('close', () => {
+  console.log('Disconnected from the server');
+});
+
+ws.on('error', (error: Error) => {
+  console.error('WebSocket error:', error);
 });