text: var express = require("express");
  var app = express();
  
  app.use(express.static('public'));
  
  app.get("/", (req, res)=> {
      res.sendfile('public/index.html');
  });
  
  app.listen(5000, function() {
     console.log("Listening on 5000");
  });
  
  //It's likely you will write some middleware yourself, but it's
  //extremely likely you'll be using other's middleware. 
  
  //Line 4 is a common piece of middleware that you use. Basically, 
  //it specifies that this server will pull all of its files from a 
  // ./public directory. You don't want all of your files in one directory. 
  //You could have hundreds of them. So let's organize a bit by creating a 
  //public directory and putting an index.html file within it. 
  
  //you just successfully used a 3rd party middleware in your server!
  
  //another middleware that is very useful is an npm package called "morgan"
  //you'll have to install in via npm. Get it working within this file via app.use and see
  //how much better your logging is in your terminal as you refresh the browser.
  