feat(api-gateway): add Odoo config model and endpoints

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

services/api-gateway/app/main.py

@@ -3,6 +3,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from app.core.config import get_settings
 from app.core.database import engine, Base
 from app.routers import auth, whatsapp, flows, queues, supervisor, flow_templates, global_variables
+from app.routers.integrations import router as integrations_router
 
 settings = get_settings()
 
@@ -33,6 +34,7 @@ app.include_router(queues.router)
 app.include_router(supervisor.router)
 app.include_router(flow_templates.router)
 app.include_router(global_variables.router)
+app.include_router(integrations_router)
 
 
 @app.get("/health")