add note on top of each page refering to updated version of this tutorial #183

	# documentation: https://help.github.com/en/articles/workflow-syntax-for-github-actions
	name: build tutorial
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-24.04
	steps:
	- name: checkout
	uses: actions/checkout@v2

	- name: set up Python
	uses: actions/setup-python@v1
	with:
	python-version: 3.9

	- name: Codespell action
	uses: codespell-project/actions-codespell@master
	with:
	check_filenames: true
	ignore_words_list: nd
	path: docs/

	#- name: Markdown Linting Action
	# uses: avto-dev/markdown-lint@v1.2.0
	# with:
	# rules: '/lint/rules/changelog.js'
	# config: '/lint/config/changelog.yml'
	# args: '.'

	- name: install mkdocs
	run: \|
	pip install mkdocs mkdocs-material mkdocs-git-revision-date-localized-plugin
	mkdocs --version

	- name: build tutorial
	run: mkdocs build --strict

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