Added info about the template include tree

Author: lucasvanlierop

README.md

@@ -227,3 +227,5 @@ Add the following to the crontab:
 # Sync modified groups back to LDAP every 5 minutes
 */5 * * * * /project/dir/current/current/bin/console grouphub:sync -e=prod --type=queue
 ```
+
+also see: [Docs](docs/)

docs/templating.md

@@ -0,0 +1,33 @@
+# Templating
+
+Since are somewhat deeply nested and most are named *group* sometimes it's
+hard to discover what means what. The tree below represents the include structure
+for all lists of groups.
+
+    base.html.twig
+        group_categories.html.twig
+            my_groups.html.twig
+                _sort.html.twig
+                my_groups-groups.html.twig (my-owner)
+                    _memberships.html.twig 
+                my_groups-groups.html.twig (my-admin)
+                    _memberships.html.twig 
+                my_groups-groups.html.twig (my-member)
+                    _memberships.html.twig 
+            organisation_groups.html.twig
+                _sort.html.twig
+                organisation_groups-groups.html.twig (org-owner)
+                    _memberships.html.twig
+                organisation_groups-groups.html.twig (org-admin)
+                    _memberships.html.twig
+                organisation_groups-groups.html.twig (org-member)
+                    _memberships.html.twig
+            all_groups.html.twig
+                _sort.html.twig
+                all_groups-groups.html.twig 
+                    _groups.html.twig
+    
+    search.html.twig
+        _sort.html.twig [organisationGroups.sort]
+        search-results.html.twig 
+