Merge pull request 'Allow io3 on server creation' (#4) from Allow-io3 into master

Reviewed-on: #4

app.js

@@ -56,7 +56,11 @@ httpsServer.listen(process.env.PORT, () => {
   console.log('Listening on port:', process.env.PORT)
 })
 
-const io = new Server(httpsServer)
+const io = new Server(httpsServer, {
+  allowEIO3: true
+});
+
+// socket.io namespace (could represent a room?)
 const peers = io.of('/mediasoup')
 
 const createWorker = async () => {