Fix: add auth-dir config and create directory

Dockerfile

@@ -31,9 +31,13 @@ COPY --from=builder /app/config.example.yaml /CLIProxyAPI/config.example.yaml
 WORKDIR /CLIProxyAPI
 
 # Create config file with port 7860 for HF Spaces
+# Create auth directory for user
+RUN mkdir -p /home/user/.cli-proxy-api && chown -R user:user /home/user/.cli-proxy-api
+
 RUN echo 'host: "0.0.0.0"' > /CLIProxyAPI/config.yaml && \
     echo 'port: 7860' >> /CLIProxyAPI/config.yaml && \
     echo 'debug: false' >> /CLIProxyAPI/config.yaml && \
+    echo 'auth-dir: "/home/user/.cli-proxy-api"' >> /CLIProxyAPI/config.yaml && \
     echo 'api-keys:' >> /CLIProxyAPI/config.yaml && \
     echo '  - "default-key"' >> /CLIProxyAPI/config.yaml && \
     chown user:user /CLIProxyAPI/config.yaml