ci,build: Migrate to `pyproject.toml`, get version from Git, add test. #23

	name: CI
	on:
	push:
	tags:
	- v*
	branches:
	- main
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # get all tags
	- uses: actions/setup-python@v4
	with:
	python-version: '3.x'
	- name: install dependencies
	run: \|
	sudo apt-get install -y libmad0-dev
	python -m pip install --upgrade pip
	- name: install
	run: \|
	python -m pip install .
	- name: test
	run: \|
	pytest

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