[Consideration] Refactor AppImage code

[Xmetalfanx]

Since the original code was done (and i haven't even looked at it in a bit) , I have found AM ... consider involving that but also give the user an option to deal with an appimage download EVEN IF THEY DO NOT WANT "AM"

[Xmetalfanx]

at the time of me typing this AM - AppImage Package Manager's installer is in the latest 1.054 release and in Master

update: remember too stuff like Tumbleweed with that run0 issue with Homebrew and "AM" has trouble so in that case "AM" (or HB) may not be an option ...