docs: add README hero banner #15

	name: ci

	on:
	push:
	branches: ["main", "master"]
	pull_request:

	permissions:
	contents: read

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e ".[dev]"

	- name: Lint (ruff)
	run: \|
	ruff check . --ignore E501

	- name: Test (pytest)
	run: \|
	pytest tests/ -v

	release:
	name: Publish to PyPI
	if: startsWith(github.ref, 'refs/tags/v')
	runs-on: ubuntu-latest
	needs: [test]
	permissions:
	contents: read
	id-token: write

	steps:
	- uses: actions/checkout@v4

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

	- name: Install build backend
	run: \|
	python -m pip install --upgrade pip
	pip install hatchling build

	- name: Build
	run: python -m build

	- name: Publish to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1

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