Register some missing related endpoints in awxkit

- the newer varieties of notification templates
- organization workflow job templates
- credential owner users and owner teams

this allows the endpoints to get wrapped in appropriate Page types,
not just the Base page type.

awxkit/awxkit/api/pages/teams.py

@@ -45,4 +45,5 @@ class Teams(page.PageList, Team):
 
 
 page.register_page([resources.teams,
+                    resources.credential_owner_teams,
                     resources.related_teams], Teams)