Add system-required for openstack/self-healing-sig
Add system-required for openstack/self-healing-sig

Set up the "system-required" project-template as directed by the
Project Creator's Guide from the Infrastructure User Manual.

Change-Id: I34729746bd8e2182c713aec41eb473b2b6b34077

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