Integrate OpenAPI/Swagger documentation using drf-spectacular, enhancing API documentation with comprehensive guides and schema generation. Add multiple documentation files covering authentication, error codes, rate limiting, and migration strategies. Update settings and URLs to support new documentation endpoints and schema configurations.

backend/igny8_core/urls.py

@@ -16,6 +16,11 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import path, include
+from drf_spectacular.views import (
+    SpectacularAPIView,
+    SpectacularRedocView,
+    SpectacularSwaggerView,
+)
 
 urlpatterns = [
     path('admin/', admin.site.urls),
@@ -24,4 +29,8 @@ urlpatterns = [
     path('api/v1/writer/', include('igny8_core.modules.writer.urls')),
     path('api/v1/system/', include('igny8_core.modules.system.urls')),
     path('api/v1/billing/', include('igny8_core.modules.billing.urls')),  # Billing 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'),
+    path('api/redoc/', SpectacularRedocView.as_view(url_name='schema'), name='redoc'),
 ]