Add deploy task for gh-pages #3

	name: Documentation

	on:
	push:
	branches: [main]
	tags: ["*"]
	pull_request:
	# Check all PR

	jobs:
	build-and-publish:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: setup rust
	uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	- name: setup Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.10"
	- name: install dependencies
	run: \|
	python -m pip install tox
	- name: build documentation
	run: tox -e docs

	- name: put documentation in the website
	run: \|
	git clone https://github.com/$GITHUB_REPOSITORY --branch gh-pages gh-pages
	rm -rf gh-pages/.git
	cd gh-pages

	REF_KIND=$(echo $GITHUB_REF \| cut -d / -f2)
	if [[ "$REF_KIND" == "tags" ]]; then
	TAG=${GITHUB_REF#refs/tags/}
	mv ../docs/build/html $TAG
	else
	rm -rf latest
	mv ../docs/build/html latest
	fi

	- name: deploy to gh-pages
	if: github.event_name == 'push'
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./gh-pages/
	force_orphan: true

	- if: github.event_name == 'pull_request'
	name: Post link to RTD
	uses: readthedocs/actions/preview@v1
	with:
	project-slug: "software-cookbook"

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