v2025.6
prepare-root: allow sysroot.readonly=true with kernel cmdline ro
tree-wide: Rerun clang-format, update ci
ostree-prepare-root: avoid mount cycle
Revert "Add ostree-shutdown.service: hide /sysroot and make /etc read-only"
src/generator: Move all logic into libostree-1.so
switchroot: Document a bit more, add demo shell implementation