chore(readme): describe release workflow #99

	#https://packaging.python.org/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/
	name: Publish Python 🐍 distributions 📦 to PyPI and TestPyPI

	on: push

	jobs:
	build-n-publish:

	name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	- name: Set up Python 3.9
	uses: actions/setup-python@v1
	with:
	python-version: 3.9
	- name: Install pypa/build
	run: >-
	python -m
	pip install
	build
	--user
	- name: Build a binary wheel and a source tarball
	run: >-
	python -m
	build
	--sdist
	--wheel
	--outdir dist/
	.
	- name: Publish distribution 📦 to Test PyPI
	uses: pypa/gh-action-pypi-publish@master
	with:
	skip_existing: true
	user: __token__
	password: ${{ secrets.TESTNET_PYPI_API_TOKEN }}
	repository_url: https://test.pypi.org/legacy/
	- name: Publish distribution 📦 to PyPI
	if: startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@master
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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