added / route

Signed-off-by: heyhiru <hirentimbadiya74@gmail.com>

server/index.js

@@ -1,10 +1,22 @@
 const { Server } = require('socket.io');
+const express = require('express');
+const cors = require('cors');
+const http = require('http');
 
 const io = new Server(8080, {
     cors: true
 });
 
 
+const app = express();
+const server = http.createServer(app);
+
+app.use(cors());
+
+app.get("/" , (req, res) => {
+    res.send("Hello World");
+});
+
 const emailToSocket = new Map();
 const socketToEmail = new Map();
 
@@ -47,4 +59,6 @@ io.on("connection", (socket) => {
     socket.on("call:initiated", ({ to }) => {
         io.to(to).emit("call:initiated", { from: socket.id });
     });
-})
+})
+
+server.listen(process.env.PORT || 8081, () => console.log(`Server has started.`));