Closes #8248: User bookmarks (#13035)

* Initial work on #8248

* Add tests

* Fix tests

* Add feature query for bookmarks

* Add BookmarksWidget

* Correct generic relation name

* Add docs for bookmarks

* Remove inheritance from ChangeLoggedModel

netbox/templates/generic/object.html

@@ -59,6 +59,9 @@ Context:
       {# Extra buttons #}
       {% block extra_controls %}{% endblock %}
 
+      {% if perms.extras.add_bookmark %}
+        {% bookmark_button object %}
+      {% endif %}
       {% if request.user|can_add:object %}
         {% clone_button object %}
       {% endif %}