Add unit testing to github actions #1

	name: testing
	on: [push, pull_request]
	jobs:
	run:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: [3.8, 3.9, "3.10", "3.11"]
	steps:
	- uses: actions/checkout@master

	- name: Setup Python
	uses: actions/setup-python@master
	with:
	python-version: ${{ matrix.python-version }}

	- name: Run unit tests
	run: \|
	pip install ".[test]"
	pytest

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