add demo notebook to readme #21

	name: Convert Jupyter Notebook to HTML

	on:
	push:
	paths:
	- 'notebooks/demo.ipynb'

	jobs:
	convert:
	runs-on: ubuntu-latest
	steps:
	- name: Check out repository
	uses: actions/checkout@main
	with:
	ref: main
	fetch-depth: 0 # Fetch all history to have access to the gh-pages branch

	- name: Set up Python
	uses: actions/setup-python@main
	with:
	python-version: 3.x

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install nbconvert

	- name: Convert Jupyter Notebook to HTML
	run: \|
	jupyter nbconvert --to html notebooks/demo.ipynb

	- name: Commit and push HTML to gh-pages branch
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git fetch origin
	mv notebooks/demo.html /tmp/demo.html
	git checkout gh-pages \|\| git checkout -b gh-pages
	git pull origin gh-pages
	mv /tmp/demo.html notebooks/demo.html
	git add notebooks/demo.html
	git diff-index --quiet HEAD \|\| git commit -m "Update HTML file"
	git push origin gh-pages \|\| true

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