fix: add models folder for docker user

Dockerfile

@@ -37,6 +37,7 @@ RUN adduser --system worker
 WORKDIR /home/worker/app
 
 RUN mkdir "local_data"; chown worker local_data
+RUN mkdir "models"; chown worker models
 COPY --chown=worker --from=dependencies /home/worker/app/.venv/ .venv
 COPY --chown=worker private_gpt/ private_gpt
 COPY --chown=worker docs/ docs