Add docs for Ceph RGWs with Cephadm #1664

Job	Run time
Tox pep8 with Python 3.8	19s
Tox releasenotes with Python 3.8	27s
Tox docs with Python 3.8	21s
Build Kayobe Image / Build kayobe image	7m 26s
aio (Rocky OVS) / All in one	1h 2m 6s
aio (CentOS OVS) / All in one	1h 4m 20s
aio (Rocky OVN) / All in one	1h 2m 27s
aio (CentOS OVN) / All in one	1h 2m 27s
aio (Rocky 9 OVS) / All in one	57m 30s
aio (Ubuntu Jammy OVN) / All in one	1h 1m 54s
aio (Ubuntu Jammy OVS) / All in one	1h 0m 12s
aio (Ubuntu OVN) / All in one	1h 2m 32s
aio (Ubuntu OVS) / All in one	59m 0s
aio (Rocky 9 OVN) / All in one	59m 0s
	10h 20m 1s

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