fix(docs): cambiar ruta /docs → /documentacion para evitar conflicto con Swagger FastAPI

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/routes/docs.py

@@ -1,7 +1,7 @@
 from fastapi import APIRouter, Request, Depends
 from app.auth import get_current_user
 
-router = APIRouter(prefix="/docs", tags=["docs"])
+router = APIRouter(prefix="/documentacion", tags=["docs"])
 
 
 @router.get("")