created another socket connection for different user

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

server/index.js

@@ -1,4 +1,4 @@
-const { Server, Socket } = require('socket.io');
+const { Server} = require('socket.io');
 
 const io = new Server(8080, {
     cors: true
@@ -11,13 +11,16 @@ const socketToEmail = new Map();
 io.on("connection", (socket) => {
     console.log(`Socket Connected: ${socket.id}`);
 
-    socket.on('room:join', data => {
+    socket.on("room:join", data => {
         const { email, room } = data;
         emailToSocket.set(email, socket.id);
         socketToEmail.set(socket.id, email);
 
+        socket.join(room);
+        io.to(room).emit("user:joined", { email, id: socket.id });
+
         // emits a 'room:joined' event back to the client 
         // that just joined the room.
-        io.to(socket.id).emit('room:join', data);
+        io.to(socket.id).emit("room:join", data);
     })
 })