Add Linker and Optimizer modules with API integration and frontend components

- Added Linker and Optimizer apps to `INSTALLED_APPS` in `settings.py`.
- Configured API endpoints for Linker and Optimizer in `urls.py`.
- Implemented `OptimizeContentFunction` for content optimization in the AI module.
- Created prompts for content optimization and site structure generation.
- Updated `OptimizerService` to utilize the new AI function for content optimization.
- Developed frontend components including dashboards and content lists for Linker and Optimizer.
- Integrated new routes and sidebar navigation for Linker and Optimizer in the frontend.
- Enhanced content management with source and sync status filters in the Writer module.
- Comprehensive test coverage added for new features and components.

backend/igny8_core/urls.py

@@ -31,6 +31,8 @@ urlpatterns = [
     path('api/v1/system/', include('igny8_core.modules.system.urls')),
     path('api/v1/billing/', include('igny8_core.modules.billing.urls')),  # Billing endpoints
     path('api/v1/automation/', include('igny8_core.modules.automation.urls')),  # Automation endpoints
+    path('api/v1/linker/', include('igny8_core.modules.linker.urls')),  # Linker endpoints
+    path('api/v1/optimizer/', include('igny8_core.modules.optimizer.urls')),  # Optimizer endpoints
     # OpenAPI Schema and Documentation
     path('api/schema/', SpectacularAPIView.as_view(), name='schema'),
     path('api/docs/', SpectacularSwaggerView.as_view(url_name='schema'), name='swagger-ui'),