update #140

	name: mkdocs
	on:
	push:
	branches:
	- docs

	# Environment
	env:
	CI: true
	PYTHON_VERSION: 3.x

	# Jobs to run
	jobs:

	# Build and deploy documentation site
	deploy:
	runs-on: ubuntu-latest
	steps:

	# Checkout source form GitHub
	- uses: actions/checkout@v2
	- run: \|
	git submodule update --init --recursive

	# Install Python runtime and dependencies
	- uses: actions/setup-python@v1
	with:
	python-version: ${{ env.PYTHON_VERSION }}

	# pip
	- run: \|
	pip install -r requirements-mkdocs.txt
	pip install mkdocs-minify-plugin>=0.2

	# deploy
	- run: \|
	mkdocs gh-deploy --force
	mkdocs --version

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