lint

Update PyPI install instructions in README.md #145

	name: lint
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	run-black-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v6
	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.13"
	- name: Install CadQuery and pytest
	shell: bash --login {0}
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -e .
	python -m pip install -e .[dev]
	- name: Run tests
	shell: bash --login {0}
	run: \|
	black --diff --check --target-version py313 --extend-exclude 'tests/testdata/syntax_error.py' .

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