UNDER DEVELOPMENT HERE: https://github.com/rochacbruno/markdocs
I still think that the problem of lack of good documentation in the Python ecosystem is also related to .rst format and the use of complicated tools like Sphinx.
I'm enjoying writing functional documentation using Markdown in Rustlang, so I'll do experiments to have the same functionality in Python. Take a look at rustdoc and here an example of documentation site generated for a Rust crate using markdown comments.