Add linter and lint existing files #4

	# .github/workflows/lint.yml
	name: Lint

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

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: 'recursive'

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'

	- name: Install Python linting dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 black isort
	pip install -r requirements.txt

	- name: Run Python linters
	run: \|
	black . --check
	isort . --check-only

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