Add usage docs #36

	# Branches with names starting with `example` are meant to be long living branches used as
	# documentation/usage example.
	# After accepting the branch, the main PR should be closed
	name: Example branch management

	on: pull_request

	jobs:
	example-branches-checks:
	if: ${{ startsWith(github.head_ref, 'example') }}
	name: Checks
	runs-on: ubuntu-22.04
	permissions:
	pull-requests: write
	steps:
	- uses: actions-ecosystem/action-add-labels@bd52874380e3909a1ac983768df6976535ece7f8 # v1.1.0
	name: Set example label
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	labels: \|
	example
	- name: Example branches are not meant to be merged
	run: \|
	echo "Example branches are not meant to be merged"
	exit 1

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