CI: Switch all to alpine:latest, all deps are in stable

See merge request !11

Configure Renovate

See merge request !7

CI: Add missing mkdocs deps (workaround)

See merge request !10

CI: Use Alpine packages instead of pip

See merge request !9

PyPI being untrustworthy without lockfiles, which are pretty much impossible
to review because of binary wheels and even then would take more maintenance
than regular distro packaging where indirect dependencies are already managed.

docs/index: Change reference of freenode to libera.chat

See merge request !6

Lock dependencies with pipenv

See merge request !5

Add build instructions

See merge request !4

I Changed a bit in the README and added a short explanation on how to build the docs using this project and what dependencies are needed.
I also added an example of how to build and locally run the docs on a Debian based distro optionally using a Pythin virtual env.

the file belongs to

Add contrast to code snippets

See merge request !2

Add `.tmp` to `.gitignore`

See merge request !1