Add more instructions to PR exercise #25

	name: test website build
	on:
	pull_request:
	branches:
	- master

	jobs:
	test-build:
	runs-on: ubuntu-20.04
	steps:

	# Check out the code
	- name: Checkout master branch
	uses: actions/checkout@v4

	# Set up Python environment
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'

	# Install dependencies
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	# Test building the website
	- name: Build website
	run: mkdocs build --strict

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