You can find the demo notebook in src/openfe_demo.ipynb.
See the openfe git repo and documentation to learn more!
To run the notebook locally, you'll need to install openfe:
Installing from conda-forge is simplest, and you can use micromamba (recommended), mamba or conda:
micromamba create -n openfe openfe=1.8.1
micromamba activate openfe
then open the demo with jupyter notebook src/openfe_demo.ipynb.