text: const express = require('express')
  const app = express()
  const path = require('path');
  const port = process.env.PORT || 3000;
  app.use(express.static('assets'))
  
  app.get('/', (req, res) => res.sendFile(path.join(__dirname, '/menu.html')));
  app.get('/level/*', (req, res) => res.sendFile(path.join(__dirname, '/new-physics.html')));
  
  app.listen(port, () => console.log(`Example app listening on port ${port}!`))
  
  