Furomon

- Add per-build hashes to asset URLs, to simplify cache invalidation.
- Tweak spacing in API documentation.

- Require Sphinx 3.
- Add styling for API documentation.
- Add styling for abbreviations.
- Add `clear` CSS property for left/right aligned content.
- Add styling to tweak the look of tabs.
- Drop the complexities introduced for custom homepages.
- Tweak color of problematic content.
- Tweak font-size handling for code-blocks.
- Tweak font-size handling for admonitions.
- Tweak spacing around code-blocks.
- Tweak how pages look with announcement and shorter-than-viewport content.
- Tweak styling for lists.
- Fix overlays to correctly show on top of content.
- Restructure sidebar scrolling, to correctly fill viewport.
- Change JS from the basic theme to use blocking network requests.
- Change inline table of contents to look like an error, nudging toward to not using it.

- Automate version management
- Use correct width for elements on small screens (100% instead of 100vw)

- Tweak header on small screens.
- Tweak spacing for small screens.
- Place "sidebar" directive's contents inline, on small screens.

- More fixes for Python 3.7 support.

- Add support for `sphinx.ext.todo`.
- Add support for hiding name in sidebar.
- Add reference to deployed documentation in README.
- Tweak font size for admonitions.
- Tweak spacing for contents sidebar.
- Tweak styling of inline code.
- Fix support for Python < 3.8.