revise the flowchart in readme #3

	name: Build, Release, and Upload Python Package

	on:
	push:
	tags:
	- 'v*'

	permissions:
	contents: write

	jobs:
	build_and_deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Build package
	run: \|
	python setup.py sdist bdist_wheel

	- name: Extract tag name
	run: echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV

	- name: Create Release
	uses: softprops/action-gh-release@v1
	with:
	files: dist/*
	name: ${{ env.TAG_NAME }}
	tag_name: ${{ env.TAG_NAME }}
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: List contents of dist directory
	run: ls -l dist/

	- name: Publish package to PyPI
	uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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