Lint

Add community triage infrastructure: CI lint, stale bot, CODEOWNERS, docs #1

	name: Lint

	on:
	pull_request:
	branches: [main]
	push:
	branches: [main]

	permissions:
	contents: read

	jobs:
	hadolint:
	name: Hadolint (Dockerfile)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: hadolint/hadolint-action@v3.1.0
	with:
	dockerfile: Dockerfile
	failure-threshold: error
	ignore: DL3008,DL3009,DL3015,DL3041

	shellcheck:
	name: ShellCheck (*.sh)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Run shellcheck
	uses: ludeeus/action-shellcheck@2.0.0
	env:
	SHELLCHECK_OPTS: -e SC2046 -e SC2086 -S warning

	actionlint:
	name: actionlint (workflows)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Run actionlint
	shell: bash
	env:
	ACTIONLINT_VERSION: '1.7.7'
	ACTIONLINT_SHA256: '023070a287cd8cccd71515fedc843f1985bf96c436b7effaecce67290e7e0757'
	run: \|
	curl -fsSL -o actionlint.tgz \
	"https://github.com/rhysd/actionlint/releases/download/v${ACTIONLINT_VERSION}/actionlint_${ACTIONLINT_VERSION}_linux_amd64.tar.gz"
	echo "${ACTIONLINT_SHA256} actionlint.tgz" \| sha256sum -c -
	tar -xzf actionlint.tgz actionlint
	./actionlint -color

	yamllint:
	name: yamllint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install yamllint
	run: pip install --user yamllint==1.35.1
	- name: Lint YAML files (non-blocking)
	run: \|
	yamllint -d "{extends: relaxed, rules: {line-length: disable, document-start: disable, truthy: {check-keys: false}}}" \
	.github azure-pipelines.yml devops \|\| true

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