Add pyproject.toml, remove Cython from setup_requires, install_requires #43

	name: Build wheels

	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	build_wheels:
	name: Build wheels on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macOS-latest]

	steps:
	- uses: actions/checkout@v2

	# Used to host cibuildwheel
	- uses: actions/setup-python@v2

	- name: Install cibuildwheel
	run: python -m pip install cibuildwheel==2.3.0

	- name: Build wheels
	run: python -m cibuildwheel --output-dir wheelhouse
	# to supply options, put them in 'env', like:
	# env:
	# CIBW_SOME_OPTION: value

	- uses: actions/upload-artifact@v2
	with:
	path: ./wheelhouse/*.whl

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