These packages allow better integration of applications with the KDE
workspace.
[ci:skip-build]: already built successfully in CI, and ollieparanoid
made sure that it builds for x86_64, aarch64, armhf
* Add postmarketos-ui-plasma-mobile
* Add more required packages
* Upgrade plasma sources
* Modernize APKBUILDs
* Make it run in general
* Support RGB32 framebuffer with BGR order (thanks @zhuowei!)