Add two new user groups for Chinese Wikivoyage

This patch introduces two new user groups on the
Chinese Wikivoyage project — 'autopatrolled' with
the 'autopatrol' user right and 'patroller' with
the 'patrol' and 'rollback user rights, per
community request.

See bug for URL with on-wiki consensus for the
addition of these groups.

Bug: 60328
Change-Id: I7eda4fcc38b91c037c83b6ff94711e134825ae6d