added workflow to publish to pip #1

	name: Publish Icesat2 to PyPI

	on:
	pull_request: {}
	push:
	branches:
	- feature-publish-pypi
	# release:
	# types: [published]

	jobs:
	build:
	runs-on: ubuntu-latest

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

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install build twine

	- name: Build package
	run: \|
	python -m build

	- name: Publish to PyPI
	env:
	TWINE_USERNAME: "__token__"
	TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
	run: \|
	python -m twine upload --skip-existing --repository pypi dist/*

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