update #9

	name: documentation
	# on:
	# push:
	# branches: [master, feature/documentation]
	# pull_request:
	# branches: [master, feature/documentation]
	on:
	push:
	branches: [main]
	permissions:
	contents: write
	jobs:
	deploy:
	runs-on: ubuntu-latest
	env:
	working-directory: ./
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: 3.x

	- name: Set the date environmental variable
	run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV

	- uses: actions/cache@v2
	with:
	key: ${{ github.ref }}
	path: .cache

	- name: Install dependencies
	run: sudo apt-get install pngquant

	- name: Install mkdocs-material
	run: pip install mkdocs-material

	- name: Install Python dependencies
	run: \|
	pip install \
	"cairosvg>=2.5" \
	"mkdocs-git-committers-plugin-2>=1.1.1" \
	"mkdocs-git-authors-plugin" \
	"mkdocs-git-revision-date-localized-plugin>=1.0" \
	"mkdocs-minify-plugin>=0.3" \
	"mkdocs-rss-plugin>=1.2" \
	"mkdocs-redirects>=1.0" \
	"pillow<10"
	- run: mkdocs gh-deploy --force
	working-directory: ${{env.working-directory}}

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