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_loop_agente.py

@@ -1,9 +1,9 @@
 import asyncio
-from backend.ApiKeys.openai_apikey import OpenAICredencial
-from backend.ApiKeys.openai_apikey_mmr import OpenAICredencialRepo
-from backend.ConexionSql.Postgres_conexion import PostgresConexion
+from src.ApiKeys.openai_apikey import OpenAICredencial
+from src.ApiKeys.openai_apikey_mmr import OpenAICredencialRepo
+from src.ConexionSql.Postgres_conexion import PostgresConexion
 from entrypoint.init_db import db_credencial
-from backend.ConexionApis.OpenAi_conexion import OpenAICliente
+from src.ConexionApis.OpenAi_conexion import OpenAICliente
 from llms.Modelos.Openai_model import ModeloOpenAI
 from llms.Agente import AgenteAI