Static data is located in files/.
python3 -m venv jupyterlite
source jupyterlite/bin/activate
mkdir lasso
cd lasso/
pip install jupyterlite-core
jupyter lite --version
pip install jupyterlite-core[all]
pip install jupyterlite-pyodide-kernel
mkdir files
# copy over ...
jupyter lite build --output-dir dist
# or serve
jupyter lite serve --output-dir dist