Add gitignore

index.js

@@ -1,15 +1,44 @@
 const express = require('express');
-const app = express();
+const path = require('path');
+const { WebSocketServer } = require('ws');
+const { createServer } = require('http');
+const fs = require('fs');
+
 const config = require('./config.json');
+let clients = [];
+
+const app = express();
+const server = createServer(app);
+const wss = new WebSocketServer({ server });
+
+wss.on('connection', function connection(ws) {
+    clients.push(ws);
+    ws.on('close', () => {
+        clients.pop(ws);
+    });
+});
+
+// auto refresh on frontend update
+let lastUpdateTime = Date.now();
+fs.watch('./ejs/', () => {
+    const now = Date.now();
+    if (now - lastUpdateTime > 50) {
+        clients.forEach((ws) => {
+            ws.send('update');
+        });
+    }
+    lastUpdateTime = now;
+});
 
 app.use(express.json());
 app.set('view engine', 'ejs');
 app.set('views', path.join(__dirname, 'ejs'));
 
+
 app.get('/', (req, res) => {
     res.render('home');
 });
 
-app.listen(config.port, () => {
+server.listen(config.port, () => {
     console.log(`Server started on port ${config.port}`);
 });