text: const router = require('express').Router();
  let User = require('../models/user.model');
  
  router.route('/').get((req, res) => {
    User.find()
      .then(users => res.json(users))
      .catch(err => res.status(400).json('Error: ' + err));
  });
  
  router.route('/add').post((req, res) => {
    const username = req.body.username;
    const password = req.body.password;
    const newUser = new User({ username, password, });
  
    newUser.save()
      .then(() => res.json('User added!'))
      .catch(err => res.status(400).json('Error: ' + err));
  });
  
  module.exports = router;