main
doc/install: use ref for intra-docs links
doc: update container image examples pinned to EOL releases
doc/install: update get-packages.rst
doc/install: Linkify mention of ceph.conf and use ref for links
doc: use plantweb as fallback of sphinx-ditaa
doc: add ceph.conf in osd creation
doc/install: Small improvements in manual-freebsd-deployment.rst