Add `CONTRIBUTING.md` #228

	name: Main Documentation Checks

	on:
	push:
	pull_request:
	paths:
	- 'docs/**'
	workflow_dispatch:


	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	documentation-checks:
	uses: canonical/documentation-workflows/.github/workflows/documentation-checks.yaml@main
	with:
	working-directory: 'docs'

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