Aa-bulletin-board

Fixed

- Some CSS issues

Changed

- Code improvements
- Type hints
- Docstrings
- Keyword arguments
- Tweaks to pylint checks

Added

- Footer to promote help with the app translation

Fixed

- Grammar in English sentences
- Quotation marks in templates

Changed

- German translation improved
- Russian translation improved
- Ukrainian translation improved

Removed

- Deprecated type attributes

Added

- Ukrainian translation (for upcoming AA update which adds the Ukrainian language)

Changed

- Moved the build process to PEP 621 / pyproject.toml

Added

- Russian translation

Added

- German translation

Fixed

- Clean method in form