- Annotate functions in fastfetch, spectacle and theme scripts
- Add Color and ColorFn type aliases in theme/build.py
- Annotate empty collections and silence optionxform assignment errors
Split the packages by platform so each app stays an opt-in Stow package
under common/, mac/ or kde/. KDE gets its own Fastfetch, Helium and
Spectacle packages, and darwin-breeze becomes kde/theme. The READMEs
document stowing a whole group as well as individual packages.