[Flatpak] Move away from debs and RPMs and instead use flatpaks and self updateable appimages.. Moved from discussions Feature request.

[Tedd-Codes]

Discussed in #2258

^{Originally posted by xplshn June 4, 2023}
What the title says, debs and RPMs aren't needed for things such as a browser, we'd be able to reach more people using flatpak and appimages, for example, in order to install this browser in Void, I had to compile it, not really a user friendly experience