Add python, markdown and github action linter (#5) #4

	name: Run linter checks
	on:
	push:
	branches: ["main"]
	pull_request:
	branches: ["main"]

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	py-lint:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.11']
	steps:
	- uses: actions/checkout@v3
	- uses: ./.github/actions/setup-poetry
	with:
	python-version: ${{ matrix.python-version }}
	- name: Run styling check
	run: poetry run pre-commit run --all-files

	markdown-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: markdownlint-cli2-action
	uses: DavidAnson/markdownlint-cli2-action@v16
	with:
	globs: "*/.md"

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