feat: show example dataset

Dockerfile

@@ -34,5 +34,11 @@ RUN --mount=type=cache,target=/home/user/.cache/uv \
     # --mount=type=bind,source=pyproject.toml,target=pyproject.toml \
     vuv sync --frozen --no-install-project
 
+# Prepare example datasets
+RUN --mount=type=cache,target=/home/user/.cache/uv \
+    vuv pip install huggingface-hub
+RUN huggingface-cli download open-world-agents/example-dataset --local-dir /data
+ENV DATA_DIR=/data
+
 COPY --chown=user . /owa/projects/owa-mcap-viewer
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]