socket established + chat actualy message ui and mechanism

- need to do the mysql hookup

server/app.js

@@ -0,0 +1,33 @@
+var app = require('express')();
+var server = require('http').Server(app);
+var io = require('socket.io')(server);
+
+var port = 3000;
+server.listen(port, () => console.log('serving on port: ' + port));
+
+app.get('/', function (req, res) {
+  res.sendFile(__dirname + '/index.html');
+});
+
+var exMessages = [
+  {
+    userId: 10,
+    id: 1,
+    text: "hey anyone wanna study 61A"
+  },
+  {
+    userId: 1, // current user has an id of 1
+    id: 2, // id of message itself
+    text: "Yea im down"
+  }
+];
+
+io.on('connection', function (socket) {
+  console.log(socket.id);
+  exMessages.map((msg) => {
+    socket.emit('message', msg);
+    console.log('sending msg by msg');
+  });
+
+  io.on('test', () => console.log('worked~'));
+});

server/index.html

@@ -0,0 +1,7 @@
+<h1>Welcome</h1>
+
+<script src="/socket.io/socket.io.js"></script>
+<script>
+  var socket = io();
+  socket.emit('test');
+</script>