The site is working, change the URL in your browser to get to any custom page. But, don't forget to <ahref="https://gohugo.io/themes/customizing/">overwrite this index.html</a> with your own. You typically have 3 choices :
<li><b>1. </b> Create an overview page for your project</li>
<li><b>2. </b> Create an empty html page with this code in the head tag to redirect to one of your documentation page : <code><meta http-equiv="refresh" content="0; url=http://example.com/"/></code></li>
<li><b>3. </b> Configure your server to automatically redirect home page to one your documentation page</li>