You can start adding content by editing the html files in the public directory. To change the menu items, edit the menu.html file, also in the public directory. If you only want the bare minimum HTML, start editing the basic.html page.
If you want to expose this local node.js server from behind a NAT or firewall to the internet, you can use the free NGROK
The web server access log is in the access.log file. This is made possible by morgan a HTTP request logger middleware for node.js