Improve documentation. #576

	name: Build and publish documentation
	on:
	push:
	branches:
	- master
	- develop
	jobs:
	deploy:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v2
	- uses: rlespinasse/[email protected]

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.8'
	- name: Upgrade pip
	run: python3 -m pip install --upgrade pip
	- name: Get pip cache dir
	id: pip-cache
	run: echo "::set-output name=dir::$(pip cache dir)"
	- name: Cache Python packages
	uses: actions/cache@v1
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('mkdocs_requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-
	- name: Install Python packages
	run: python3 -m pip install -r mkdocs_requirements.txt

	- name: Build documentation
	run: mkdocs build
	- name: Publish documentation
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./site
	destination_dir: ${{ env.GITHUB_REF_SLUG }}

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