Add .*doc to Zanata project patterns
Add .*doc to Zanata project patterns

To add security-doc for translation metrics.

Change-Id: Id98e070a7cb8d9b82143927141110996d6c4dc36

Mirantis/stackalytics,stackforge/stackalytics,openstack/stackalytics,openstack/stackalytics,0xf2/stackalytics,openstack/stackalytics,openstack/stackalytics,0xf2/stackalytics,stackforge/stackalytics,Mirantis/stackalytics,0xf2/stackalytics,stackforge/stackalytics,0xf2/stackalytics,Mirantis/stackalytics