Create hello world React app with hot module replacement

server.js

@@ -0,0 +1,12 @@
+const express = require('express')
+const app = express()
+
+app.use('/', express.static('dist'))
+
+app.get('/hello', function (req, res) {
+  res.send('Hello World!')
+})
+
+app.listen(3000, function () {
+  console.log('Example app listening on port 3000!')
+})