feat(jupyterhub): install buunstack package to kernel image

jupyterhub/images/datastack-notebook/Dockerfile

@@ -143,6 +143,12 @@ RUN pip install \
     tavily-python \
     tweet-preprocessor
 
+# Install buunstack package
+COPY *.whl /opt/
+RUN pip install /opt/*.whl && \
+    fix-permissions "${CONDA_DIR}" && \
+    fix-permissions "/home/${NB_USER}"
+
 # Install PyTorch with pip (https://pytorch.org/get-started/locally/)
 # langchain-openai must be updated to avoid pydantic v2 error
 # https://github.com/run-llama/llama_index/issues/16540https://github.com/run-llama/llama_index/issues/16540