adding basic user controller and model as well as updating user route

api/routes/users.js

@@ -1,10 +1,11 @@
 
 import express from 'express';
+import { createUser, getAllUsers } from './../controllers/usersController.js';
 const router = express.Router();
 
-/* GET users listing. */
-router.get('/', function(req, res, next) {
-  res.send('respond with a resource');
-});
+router
+  .route('/')
+  .get(getAllUsers)
+  .post(createUser);
 
 export default router;