text: const interfaces = require("./lib/interfaces");
  const createServer = require("./lib/createServer");
  const readFile = require("./lib/readFile");
  
  function entrega(filename, cb){
      readFile(filename, (err, file) => {
          if(err){
              return cb(err);
          }
          createServer(file, cb);
      });
  }
  
  entrega.interfaces = interfaces;
  entrega.createServer = createServer;
  entrega.readFile = readFile;
  
  module.exports = entrega;
  