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