Update readme and add license and citation #448

	name: unit-tests

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ['3.9', '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v2

	# set up our environment
	-
	name: Install Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	-
	name: Install tox
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions

	# run the library's tests
	-
	name: run tests
	env:
	pyver: ${{ matrix.python-version }}
	run: tox -e py${pyver//./}

	- name: Coverage comment
	id: coverage_comment
	uses: py-cov-action/python-coverage-comment-action@v3
	with:
	GITHUB_TOKEN: ${{ github.token }}

	- name: Store Pull Request comment to be posted
	uses: actions/upload-artifact@v4
	if: steps.coverage_comment.outputs.COMMENT_FILE_WRITTEN == 'true'
	with:
	name: python-coverage-comment-action
	path: python-coverage-comment-action.txt


	-
	name: Coveralls
	uses: coverallsapp/github-action@v2

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