text: var express = require('express');
  var router = express.Router();
  
  var categories = require('../json/categories.json');
  var exercise = require('../json/questions.json');
  
  /* GET home page. */
  router.get('/', function(req, res, next) {
  	res.render('index', { title: 'Exercise', questions: exercise.questions });
  });
  
  module.exports = router;
  