Enhance Content Management with New Taxonomy and Attribute Models

- Introduced `ContentTaxonomy` and `ContentAttribute` models for improved content categorization and attribute management.
- Updated `Content` model to support new fields for content format, cluster role, and external type.
- Refactored serializers and views to accommodate new models, including `ContentTaxonomySerializer` and `ContentAttributeSerializer`.
- Added new API endpoints for managing taxonomies and attributes, enhancing the content management capabilities.
- Updated admin interfaces for `Content`, `ContentTaxonomy`, and `ContentAttribute` to reflect new structures and improve usability.
- Implemented backward compatibility for existing attribute mappings.
- Enhanced filtering and search capabilities in the API for better content retrieval.

backend/igny8_core/modules/writer/urls.py

@@ -1,11 +1,19 @@
 from django.urls import path, include
 from rest_framework.routers import DefaultRouter
-from .views import TasksViewSet, ImagesViewSet, ContentViewSet
+from .views import (
+    TasksViewSet, 
+    ImagesViewSet, 
+    ContentViewSet,
+    ContentTaxonomyViewSet,
+    ContentAttributeViewSet,
+)
 
 router = DefaultRouter()
 router.register(r'tasks', TasksViewSet, basename='task')
 router.register(r'images', ImagesViewSet, basename='image')
 router.register(r'content', ContentViewSet, basename='content')
+router.register(r'taxonomies', ContentTaxonomyViewSet, basename='taxonomy')
+router.register(r'attributes', ContentAttributeViewSet, basename='attribute')
 
 urlpatterns = [
     path('', include(router.urls)),