WIP

try adding org.freedesktop.Platform.ffmpeg-full

drop custom ffmpeg and opus

Merge pull request wjbeckett#44 from wjbeckett/fix/hdr-renderer-logic

debug: disab;e appimage build. Add GPU mounts to flatpak build.

Merge pull request wjbeckett#42 from wjbeckett/fix/hdr-renderer-logic

Fix/hdr renderer logic

Merge pull request wjbeckett#40 from wjbeckett/fix/hdr-renderer-logic

Fix/hdr renderer logic

Merge pull request wjbeckett#39 from wjbeckett/fix/hdr-renderer-logic

fix: Revert to moonlight-qt HDR renderer selection logic

Merge pull request wjbeckett#38 from wjbeckett/feature/universal-inst…

…allers-build-system

Feature/universal installers build system

Merge pull request wjbeckett#36 from wjbeckett/feature/universal-inst…

…allers-build-system

fix(ci): Bundle raspberryPi artifacts in a zip.

Merge pull request wjbeckett#33 from wjbeckett/feature/universal-inst…

…allers-build-system

fix(ci): artifacts missing from release.