Add stylix with theme, font and image configuration.
Change all relevant (current) options to that nix evaluates without
error, not fully tested yet though.
Remove plasma manager and associated components.
Condensed some files - remove some standalone files for packages with
much smaller configuration now that they're not being manually themed.
Add zathura with some initial config, colour scheme is currently
incomplete but placeholder comments in place for required keys.
Don't autostart twinkle on work machines, some issue with detected
ALSA source/sink.
Change opacity of desktop components to that floating / pop-up windows
are translucent, and base windows are opaque.
Add zellij back (with config), but not starting by default. Add zellij
config directory to rsync-local-config script.
Evie Litherland-Smith