chore: Setup express app

packages/backend/routes/index.js

@@ -0,0 +1,9 @@
+var express = require('express');
+var router = express.Router();
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  res.json({ hello: 'world' })
+});
+
+module.exports = router;