ci: Add GitHub workflow for automated testing #339

	name: Create sdists package

	on:
	push:
	pull_request:
	release:
	types:
	- created

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.x
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools wheel twine
	- name: Create sdist
	run: \|
	python setup.py sdist
	- name: Upload artifacts for inspection
	uses: actions/upload-artifact@v3
	with:
	name: sdist
	path: dist/*.tar.gz
	- name: Publish sdists and wheels to PyPI
	if: ${{ success() && github.event_name == 'release' && github.event.action == 'created' }}
	env:
	TWINE_USERNAME: __token__
	TWINE_PASSWORD: ${{ secrets.PYPI_API_KEY }}
	run: \|
	twine upload dist/*

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