text: var router = require("express").Router();
  
  var path = require("path");
  
  router.get("/", function (req, res) {
    res.sendFile(path.join(__dirname, "../public/index.html"));
  });
  
  //  stats.html
  
  router.get("/stats", function (req, res) {
    res.sendFile(path.join(__dirname, "../public/stats.html"));
  });
  
  //  exercise.html
  
  router.get("/exercise", function (req, res) {
    res.sendFile(path.join(__dirname, "../public/exercise.html"));
  });
  
  module.exports = router;
  