magi: Add emacs-av.
* src/magi/packages/admin.scm (emacs-av): New variable.
configs: Add new user config.
features: features-sway: Update config.
Move deploy.scm to configs dir.
features: feature-sway: Update.
magi: Add shepherd-1.0f.
* src/magi/packages/admin.scm (shepherd-1.0f): New variable.
magi/home: Remove mail module.
magi/home: Remove keybase module.
magi/home: Remove fonts module.
magi: Add system services.
Add channel dependencies.
features: feature-sway: Fix workspace binding.
features: feature-mpv: Fix uosc.
features: feature-emacs-telega: Update.