feat: adds Content Tagging (#32661)

* refactor: moves is_content_creator

from cms.djangoapps.contentstore.helpers to common.djangoapps.student.auth

* feat: adds content tagging app

Adds models and APIs to support tagging content objects (e.g. XBlocks,
content libraries) by content authors. Content tags can be thought of as
"name:value" fields, though underneath they are a bit more complicated.

* adds dependency on openedx-learning<=0.1.0
* adds tagging app to LMS and CMS
* adds content tagging models, api, rules, admin, and tests.
* content taxonomies and tags can be maintained per organization by
  content creators for that organization.

cms/djangoapps/contentstore/views/course.py

@@ -45,7 +45,8 @@ from common.djangoapps.student.auth import (
     has_course_author_access,
     has_studio_read_access,
     has_studio_write_access,
-    has_studio_advanced_settings_access
+    has_studio_advanced_settings_access,
+    is_content_creator,
 )
 from common.djangoapps.student.roles import (
     CourseInstructorRole,
@@ -118,7 +119,6 @@ from ..utils import (
     update_course_discussions_settings,
 )
 from .component import ADVANCED_COMPONENT_TYPES
-from ..helpers import is_content_creator
 from cms.djangoapps.contentstore.xblock_storage_handlers.view_handlers import (
     create_xblock_info,
 )

cms/djangoapps/contentstore/views/library.py

@@ -30,7 +30,7 @@ from common.djangoapps.student.auth import (
     STUDIO_VIEW_USERS,
     get_user_permissions,
     has_studio_read_access,
-    has_studio_write_access
+    has_studio_write_access,
 )
 from common.djangoapps.student.roles import (
     CourseInstructorRole,