feat: add fixed asset classes management page and embed functionality

- Implemented a new page for managing fixed asset classes with full CRUD functionality.
- Added filtering options for searching classes by code, description, type, and fraction.
- Integrated dialogs for inserting, editing, and deleting classes with validation.
- Enhanced error handling and user feedback with toast notifications.
- Created an embedded iframe for the fixed asset classes page in the merchandise section.

backend/api/v1/modules/a24/router.py

@@ -0,0 +1,14 @@
+"""
+Router principal del módulo A24 (SCAF - Sistema de Control de Activo Fijo)
+"""
+
+from fastapi import APIRouter
+
+# Importar routers de submódulos
+from .fa.fa_classes.routes import router as fa_classes_router
+
+# Router principal de A24
+router = APIRouter()
+
+# Registrar routers de FA (Fixed Assets)
+router.include_router(fa_classes_router, prefix="/a24", tags=["a24 / fa / classes"])