Add anchors automatically to all headers
So I don't have to do https://gitlab.com/gitlab-com/www-gitlab-com/commit/b1f5619bedd818b43130c4e51ab23c01b83e5b19 to deeplink
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
So I don't have to do https://gitlab.com/gitlab-com/www-gitlab-com/commit/b1f5619bedd818b43130c4e51ab23c01b83e5b19 to deeplink