new file:   app.js
	new file:   package.json
	new file:   public/css/style.css
	new file:   public/js/common.js
	new file:   routes/index.js
	new file:   routes/user.js
	new file:   views/index.ejs
Merge branch 'master' of https://github.com/yjc0703/chatting