feat: Implement SITAR modules for PROSEC, RCG2, Regulaciones, REIT, RequisitoPrevio, TLCS, and Vehiculos

- Added schemas, services, and routers for PROSEC, RCG2, Regulaciones, REIT, RequisitoPrevio, TLCS, and Vehiculos modules.
- Each module includes search and get by ID functionalities.
- Integrated FastAPI routers for each module into the main SITAR router.
- Ensured proper response models using Pydantic for data validation.

backend/api/v1/modules/sitar/common/__init__.py

@@ -0,0 +1,5 @@
+"""SITAR API Common Module"""
+
+from .base_service import SitarAPIBaseService
+
+__all__ = ["SitarAPIBaseService"]