Add `mkdocs-material` #159

	# The GitHub personal access token used in this deploy expires on September 1, 2023.
	name: ci
	on:
	push:
	branches:
	- main

	env:
	PYTHON_VERSION: 3.x
	GH_TOKEN: ${{ secrets.GH_TOKEN }}

	permissions:
	contents: write

	jobs:
	deploy:
	runs-on: ubuntu-latest
	if: github.event.repository.fork == false
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ env.PYTHON_VERSION }}
	- uses: actions/cache@v3
	id: cache
	with:
	key: ${{ runner.os }}-${{ hashFiles('.cache/**') }}
	path: .cache
	- run: pip install -r requirements.txt
	- run: mkdocs gh-deploy --force

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