text: const fs = require('fs');
  const express = require('express');
  const app = express();
  const html = fs.readFileSync('index.html', 'utf8');
  
  app.use((req, res, next) => {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
  });
  
  app.get('/', (req, res) => {
    res.setHeader('Content-Type', 'application/json');
    res.send(JSON.stringify({ fragment: html }));
  });
  
  const port = 3103;
  app.listen(port, () => {
    console.log(`Example app listening on port ${port}!`);
  });
  
  