docs: add deprecation notice to readme #61

	name: 'Commit message check'
	on: [ push, pull_request ]
	jobs:
	# Taken from https://github.com/marketplace/actions/gs-commit-message-checker
	check-commit-message:
	name: Commit message nicely formatted
	runs-on: ubuntu-latest
	steps:
	- uses: gsactions/commit-message-checker@v1
	with:
	# pattern: '^((:bug: fix\|:lipstick: refactor\|:green_book: docs\|:sparkles: feat\|:broom: chore\|:wrench: tooling\|:rewind: revert\|:zap: speed\|:tada: release) \| (fix\|refactor\|doc\|docs\|feat\|chore\|tooling\|revert\|)($[^ ]+$)?): [^ ]+'
	# pattern: '^((:bug: )?build\|(:bug: )?chore\|(:bug: )?ci\|(:bug: )?docs\|(:bug: )?feat\|(:bug: )?fix\|(:bug: )?perf\|(:bug: )?refactor\|(:bug: )?revert\|(:bug: )?style\|(:bug: )?test){1}($[\w\-\.]+$)?(!)?: ([\w ])+([\s\S]*)'
	pattern: '^(build\|chore\|ci\|docs\|feat\|fix\|perf\|refactor\|revert\|style\|test){1}($[\w\.\-\p{Extended_Pictographic}]+$)?(!)?: ([\w \p{Extended_Pictographic}])+([\s\S]*)'
	error: 'Messages should be formatted as "<emoji> <type>: <description>"'
	excludeDescription: 'true'
	excludeTitle: 'true'
	checkAllCommitMessages: 'true'
	accessToken: ${{ secrets.GITHUB_TOKEN }}

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