vue-socket.io-chat app

 Vue.js+socket.io chat web app.

• yarn dev start dev server
• yarn start <PORT=process.env.PORT||3000> build and start server
• yarn pstart <PORT=process.env.PORT||3000> start server
• yarn build build(without minify)
• yarn prod build

from https://github.com/maple3142/vue-socket.io-chatapp