fix #3

	name: ci-required
	on: push
	concurrency:
	# Cancel other jobs in the same branch. We don't care whether CI passes
	# on old commits.
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
	jobs:
	check-pr-title:
	runs-on: ubuntu-latest
	steps:
	- uses: Slashgear/action-check-pr-title@v3.0.0
	with:
	# NOTE: If you change the allowed prefixes here, update
	# the documentation about them in /docs/development/contributing.rst
	regexp: '^(?:FEAT\|DOCS\|FIX\|REFACTOR\|TEST\|PERF)-#\d+:'
	build-docs:
	name: build docs
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 1
	- uses: actions/setup-python@v4
	with:
	python-version: "3.8.x"
	architecture: "x64"
	cache: "pip"
	cache-dependency-path: '**/requirements-doc.txt'
	- run: pip install -r docs/requirements-doc.txt
	- run: cd docs && sphinx-build -T -E -W -b html . build
	env:
	MODIN_GITHUB_CI: true

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