Propose the zuul config - project pipelines to run ansible-review-diff
    
    Co-Authored-By: Nils Philippsen <nils@redhat.com>
    Co-Authored-By: Pierre-Yves Chibon <pingou@pingoured.fr>
    
    The ansible-review-diff is defined in https://pagure.io/fedora-zuul-jobs
    
    This commit tells Zuul to run ansible-review-diff on all new and updated
    Pull Requests.
    
    This change was initially fedora-infra/ansible/pull-request/54