Move the apk_static module from pmb/chroot to pmb/helpers which is a more suitable location. Signed-off-by: Caleb Connolly <caleb@postmarketos.org>
Also adapt pmb/install/recovery.py to new API for variables.py. [ci:skip-build]: already built successfully in CI
* Make sure all Python modules are documented by adding a bit of shell to .ci/docs.sh * Remove non-existing module references from .rst * Fix various warnings from sphinx by adjusting Python docstrings * Add class member docs to ApkindexBlock
