New Stuff:

• [buildarmimg] Add BTRFS support. Can be used with -p btrfs option. Default is still ext4.
• [buildarmimg] Add option to set hostname in the image. Can be used with -s <hostname> option.
• [buildarmimg] Add option to add custom repository to image. Can be used with -k <repo name> option.

Fixes:

• [buildarmimg] Fix cubocore edition not having sddm enabled on boot.
• Add pacman to dependency list, as it is used to create the pkg-list.txt files when using buildarmimg.
• Add btrfs-progs to dependency list, as it is used for BTRFS support in buildarmimg.