Update support.md #642

	name: GitHub Pages

	on:
	push:
	branches:
	- 'master'
	workflow_dispatch:
	repository_dispatch:
	types: [build_documentation]

	concurrency:
	group: publish_gh_pages
	cancel-in-progress: true

	jobs:
	docs:
	name: "Deploy"
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@main
	- name: Dependencies
	run: \|
	sudo apt update
	sudo apt install -y python3-wheel python3-setuptools
	pip install --upgrade Jinja2
	pip install --user mkdocs
	pip install --user $(mkdocs get-deps)
	pip install --upgrade pygments
	echo "${HOME}/.local/bin" >> ${GITHUB_PATH}

	- name: Configure Git
	run: \|
	git config --global push.default upstream
	git config --global user.name "GitHub Actions"
	git config --global user.email "[email protected]"
	git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}.git

	- name: Build Mkdocs
	run: \|
	mkdocs build

	- name: Create and prepare gh-pages anew
	run: \|
	git checkout --orphan gh-pages
	rm -R `ls -A \| grep -v -E "^(.git\|site)$"`
	mv site/* ./

	- name: Commit and push
	run: \|
	git add .
	git commit -m "publish site"
	git push --force --set-upstream origin gh-pages

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