better docs actions & mkdocs config #2

	name: docs
	on:
	push:
	branches:
	- main
	paths:
	- docs/**
	- mkdocs.yml
	permissions:
	contents: write
	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: 3.x
	- uses: actions/cache@v2
	with:
	key: ${{ github.ref }}
	path: .cache
	- run: pip install mkdocs-material[all]
	- run: pip install pillow cairosvg
	- run: mkdocs gh-deploy --force

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