Issue #142 initial GitHub workflow for doc build+publish #1

	name: Build docs and push to GitHub Pages

	on: push

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.12

	- name: Install dependencies (including Sphinx)
	run: python -m pip install -r docs/requirements.txt

	- name: Sphinx build
	# Build HTML documentation from sources under `docs` to `build` folder.
	run: python -m sphinx -b html docs build

	- name: Commit documentation in gh-pages branch
	# Store documentation in a temporary one-commit git repo.
	run: \|
	cd build
	git init -b gh-pages
	touch .nojekyll
	git config --local user.name "GitHub Actions Bot"
	git config --local user.email "[email protected]"
	git add .
	git commit -m "Update documentation"

	- name: Push gh-pages branch
	# Push from the temporary repo to the `gh-pages` branch of your repo.
	# Warning: this will overwrite any existing content and history
	# of the `gh-pages` branch.
	run: \|
	cd build
	git push --force "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}" gh-pages
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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