Add OpenAI and PostgreSQL credential management

- Implemented OpenAICredencial class for managing OpenAI API keys.
- Created OpenAICredencialModel and OpenAICredencialMapper for SQLAlchemy integration.
- Developed OpenAICredencialRepo for CRUD operations on OpenAI credentials.
- Established OpenAICliente class for interacting with OpenAI API.
- Introduced PostgresCredencial class for managing PostgreSQL connection details.
- Created PostgresCredencialModel and PostgresCredencialMapper for SQLAlchemy integration.
- Developed PostgresCredencialRepo for CRUD operations on PostgreSQL credentials.
- Added base connection class and PostgreSQL connection implementation.
- Included environment variable loading for sensitive data management.

prueba_mcp.py

@@ -27,9 +27,9 @@ if __name__ == "__main__":
 
 
 
-from backend.ApiKeys.openai_apikey import OpenAICredencial
-from backend.ApiKeys.openai_apikey_mmr import OpenAICredencialRepo  # Ajusta si está en otro módulo
-from backend.ConexionSql.Postgres_conexion import PostgresConexion
+from src.ApiKeys.openai_apikey import OpenAICredencial
+from src.ApiKeys.openai_apikey_mmr import OpenAICredencialRepo  # Ajusta si está en otro módulo
+from src.ConexionSql.Postgres_conexion import PostgresConexion
 
 # 1. Crear instancia de conexión (asegúrate de configurar bien tu conexión en Base_conexion)
 from entrypoint.init_db import db_credencial
@@ -40,7 +40,7 @@ repo = OpenAICredencialRepo(conexion_admin)
 credencial_openai = repo.get_by_id(1)
 print(f"✅ Credencial: {credencial_openai.titulo}")
 
-from backend.ConexionApis.OpenAi_conexion import OpenAICliente
+from src.ConexionApis.OpenAi_conexion import OpenAICliente
 
 cliente = OpenAICliente(credencial_openai)