added metadata for inversion #11

	name: Publish on PyPI

	on:
	push:
	tags:
	# After vMajor.Minor.Patch _anything_ is allowed (without "/") !
	- v[0-9]+.[0-9]+.[0-9]+*

	jobs:
	publish:
	runs-on: ubuntu-latest
	if: github.repository == 'yakutovicha/aiida-flexpart' && startsWith(github.ref, 'refs/tags/v')

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python 3.9
	uses: actions/setup-python@v1
	with:
	python-version: 3.9

	- name: Upgrade setuptools and install package
	run: \|
	python -m pip install --upgrade pip setuptools
	python -m pip install -e .

	- name: Assert package version
	env:
	TAG_VERSION: ${{ github.ref }}
	run: python ./.github/check_version.py

	- name: Build source distribution
	run: python ./setup.py sdist

	- name: Publish package to PyPI
	uses: pypa/gh-action-pypi-publish@master
	with:
	user: __token__
	password: ${{ secrets.pypi_token }}

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