Improvements:

• [buildarmpkg] support custom repositories for package building
• [buildarmimg] Initial Halium support (Thanks @luka177)
• [buildarmimg] Add Pinephone Pro support
• [buildarmimg] Fix ram clock on Pinephone uboot flash
• [buildarmimg] Lock root user account on Mobile editions
• [builddockerimg] Use our own pacstrap script
• [buildarmimg] Add KDE Bigscreen support
• Small improvements to functions (thanks @stevenj)
• [buildarmimg] Improve detection of Wayland based editions for autologin
• [buildarmimg] Always use Stable branch for factory images
• [buildarmimg] Remove haveged.service
• [buildarmimg] Add option to now install multiple local packages into image rootfs with -i "$PACKAGE1 $PACKAGE2" (thanks @kokotekilata)
• [buildarmpkg] Add option to now install multiple local packages into package rootfs with -i "$PACKAGE1 $PACKAGE2" (thanks @kokotekilata)
• [buildarmimg] Add verification that local packages defined with -i are actually valid (thanks @kokotekilata)
• [buildarmpkg] Add verification that local packages defined with -i are actually valid (thanks @kokotekilata)