cleanup: clean redshift autostart launcher
doc: add note on redshift
scripts: add preliminary first install system/user setup script and autostart entry
setup assistant: add TODOs
user setup, fix: check for updates every hour, display popup on proper display
packages: remove non-free fonts
config: skel: xpad: use Gentium instead of non-free font
config: skel: autostart: fix transmission-gtk command line