old_contents: var express = require('express');
  var router = express.Router();
  
  router.get('/checkouts/new', function(req, res, next) {
    res.render('index', { title: 'Express' });
  });
  
  module.exports = router;
  
new_contents: var express = require('express');
  var router = express.Router();
  
  router.get('/', function(req, res, next) {
    res.render('index', { title: 'Express' });
  });
  
  router.get('/checkouts/new', function(req, res, next) {
    res.render('index', { title: 'Express' });
  });
  
  module.exports = router;
  
subject: Update root route to point to new checkouts page