Add support for both rootful and rootless

Merge branch 's1dds-master'

* s1dds-master:
  Update postrm
  Update postinst
  Update postinst
  removed cache setup
  fix cache setup
  Use default theos src and sdks
  build script and github actions for rootful and rootless builds
  Support for rootless JB till iOS 16.5 (tested) (screendumpLowFrame)