feat: add markdownlint linting to CI #4

	name: Code Quality

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

	permissions: {}

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

	jobs:
	lint:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	timeout-minutes: 10
	steps:
	- name: Checkout
	uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1

	- name: Setup Python
	uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
	with:
	python-version: "3.12"

	- name: Install ruff
	run: pip install ruff==0.15.11

	- name: Ruff lint
	run: ruff check . --output-format=github

	- name: Ruff format check
	run: ruff format --check .

	- name: Markdownlint
	uses: DavidAnson/markdownlint-cli2-action@ce4853d43830c74c1753b39f3cf40f71c2031eb9 # v23.0.0
	with:
	globs: "*/.md"

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