add fan @peterburenkov #7

	name: Check fans format

	on:
	pull_request:
	branches: [master]
	paths:
	- index.html

	jobs:
	check-format:
	runs-on: ubuntu-24.04
	steps:
	# Checkout the repository code
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	# Run the format validation script and check for changes
	- name: Validate fans list format
	run: \|
	echo "Checking for changes in fans list format..."
	git status
	python format_fans.py
	CHANGED_FILES=$(git diff --name-only)

	if echo "$CHANGED_FILES" \| grep -q "index.html"; then
	echo "ERROR: The file 'index.html' has been modified by the formatter."
	echo "------ Detected Changes ------"
	git diff
	echo "--------------------------------"
	echo "You can download the modified file from the artifact here:"
	echo "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
	echo "Alternatively, run the test locally using:"
	echo " python format_fans.py"
	exit 1
	else
	echo "Fans list format is valid. No changes detected."
	fi

	# Upload the modified file if the validation fails
	- name: Upload modified files
	if: failure()
	uses: actions/upload-artifact@v4
	with:
	name: index-modified-html
	path: index.html

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