* clean up some Sphinx warnings
* first attempt at a doc-test pipeline job
* fix formatting
* fix test name
* set env for bash
* try bash vs script
* maybe it didn't like me setting 'PATH'...derp
* drop use of venv
* sphinx-build isn't a py script
* try activating venv
* docs: remove unused html_static tags
* clean up final sphinx build errors for certbot
* clean up final sphinx build errors for acme
* better names for docs pipeline
* fix spelling
* add docs_extras to setup.py
* remove temp doc-testing pipeline; add template to main.yml
* rearrange pipeline execution; run sphinx builds in one job
* add documentation note to compat.os
* add uninstall.rst as a sub-toctree to avoid build error
