update arch install instruction #75

	name: Deploy site

	on: { push: { branches: [master] } }

	permissions:
	contents: write

	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	# needed for accurate dates
	fetch-depth: 0
	# environment has these deps.
	# - name: Install dependencies
	# run: sudo apt-get install libcairo2-dev libfreetype6-dev libffi-dev libjpeg-dev libpng-dev libz-dev
	- name: Install Poetry
	uses: snok/install-poetry@v1
	- name: Install Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.11
	cache: poetry
	- name: Cache build data
	uses: actions/cache@v4
	with:
	key: mkdocs-cache-${{ runner.os }}-${{ hashFiles('/poetry.lock', '/mkdocs.yml') }}
	path: .cache
	- name: Install dependencies
	run: poetry install
	- name: Set up environment variables
	run: echo "CARDS=true" >> $GITHUB_ENV
	- name: Build and deploy
	run: poetry run mkdocs gh-deploy --force

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