Related to: - https://review.opendev.org/#/c/723044/ - https://governance.openstack.org/tc/goals/selected/ussuri/project-ptl-and-contrib-docs.html Change-Id: I9fd7b10805b00a0615f0ad1b5a682bed2eac4359
This patch is proposed according to the Direction 10 of doc migration(https://etherpad.openstack.org/p/doc-migration-tracking). Change-Id: I00622c9e17643c17af1497d199c9445aa1ba8166