docs: docstrings show category headings

!27

mkdocs.yml

@@ -19,16 +19,19 @@ plugins:
           - django.setup()
         options:
           find_stubs_package: true
-          heading_level: 3
+          heading_level: 2
           inherited_members: false
           members_order: source
           paths: [ '.' ]
           parameter_headings: false
+          show_category_heading: true
           show_if_no_docstring: true
           show_labels: false
+          show_object_full_path: false
           show_root_heading: false
           show_root_full_path: true
           show_root_toc_entry: false
+          show_signature_annotations: false
           show_source: false
           show_submodules: true
           summary: true
@@ -99,6 +102,8 @@ nav:
 
           - projects/django-template/development/api/tests/model_history_parent_item.md
 
+          - projects/django-template/development/api/tests/model_history_permissions.md
+
 - Operations: 
 
   - operations/index.md