Merge branch 'master' of https://gitlab.postmarketos.org/postmarketOS/pmbootstrap

.ci/docs.sh

docs/conf.py

pmb/aportgen/busybox_static.py

pmb/aportgen/core.py

pmb/aportgen/grub_efi.py

pmb/aportgen/musl.py

pmb/build/envkernel.py

pmb/build/newapkbuild.py

pmb/config/__init__.py

pmb/helpers/git.py