add doc publishing job for openstackdocstheme
add doc publishing job for openstackdocstheme

Change-Id: Icdb4e7ef7a9bb0b93516a2bcf4540ee3bfd1ee33
Signed-off-by: Doug Hellmann <0798ebecfb7bc4dfb9d0445c2fa030eb64e1fa1c@doughellmann.com>

openstack-infra/project-config,openstack-infra/project-config