[sys-auth/qauth] Add live ebuild for qauth

Package-Manager: portage-2.2.10
[x11-misc/sddm] Add dependency on sys-auth/qauth

Package-Manager: portage-2.2.10
Merge pull request #56 from eliasp/sddm-qauth

Merge pull request #56 from eliasp/sddm-qauth: Add qauth support for x11-misc/sddm