add reuse compliance checks for docs #1

	name: REUSE Compliance Check

	on:
	pull_request:
	branches:
	- main

	jobs:
	reuse-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.x'
	- name: Install reuse tool
	run: pip install reuse==5.0.2
	- name: Run reuse-lint-file on changed website/docs files
	id: reuse-lint
	run: \|
	changed_files=$(git diff --cached --name-only \| grep '^website/docs/')
	if [[ -n "$changed_files" ]]; then
	output=$(reuse lint-file $changed_files)
	echo "$output"
	echo "::set-output name=output::$output"
	fi

	- name: Check for missing license and copyright statements
	if: contains(steps.reuse-lint.outputs.output, 'no license identifier') \|\| contains(steps.reuse-lint.outputs.output, 'no copyright notice')
	run: \|
	echo "::error title=REUSE Compliance Failure::Missing license or copyright information. See the output of the previous step for details."
	exit 1

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