Change Sphinx documentation to pydata-sphinx-theme #9

	name: Documentation

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source
	uses: actions/checkout@v3
	- name: Cache tox
	uses: actions/cache@v3
	with:
	path: .tox
	key: tox-${{hashFiles('pyproject.toml')}}
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.x
	cache: "pip"
	cache-dependency-path: "pyproject.toml"
	- name: Install tox
	run: python -m pip install tox
	- name: Build HTML documentation with tox
	run: tox -e docs
	- name: Pubish documentation on GitHub pages
	if: success() && github.event_name != 'pull_request'
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: docs/_build/html
	publish_branch: gh-pages
	user_name: "github-actions[bot]"
	user_email: "github-actions[bot]@users.noreply.github.com"

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