Zope is an open-source web application server.
The Zope version configuration page and the linked version and requirements files are built from a special branch of the Zope GitHub repository.
$ git clone -b gh-pages git@github.com:zopefoundation/Zope
$ cd Zope
$ python3.7 build_index.py
$ git add README.md releases/
$ git commit -m "Add new Zope releases."
$ git push origin gh-pages
The end result is available at https://zopefoundation.github.io/Zope/.