Package the tested Asahi Steam launcher as omarchy-steam-fex, with runtime-only dependencies and offline launcher checks in makepkg. Preserve the original launcher behavior and document its runtime requirements and downstream ownership handoff. Co-authored-by: dl-alexandre <166029845+dl-alexandre@users.noreply.github.com> Co-authored-by: Santeri Hernejärvi <santeri@santeri.se>