feat: add github action #1

	name: version supports

	on:
	pull_request:
	push:
	branches: [main]

	jobs:
	pre-commit:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-python@v2

	- name: Install poetry
	run: \|
	python -m pip install poetry
	poetry export --with dev --format=requirements.txt --output=requirements.txt
	- name: set PY
	run: echo "PY=$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')" >> $GITHUB_ENV
	- uses: actions/cache@v1
	with:
	path: ~/.cache/pre-commit
	key: pre-commit\|${{ env.PY }}\|${{ hashFiles('.pre-commit-config.yaml') }}
	- uses: pre-commit/[email protected]

	check_python38:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: '3.8'
	repo-token: ${{ secrets.GITHUB_TOKEN }}
	- name: Install poetry
	run: \|
	python -m pip install poetry
	poetry export --with dev --format=requirements.txt --output=requirements.txt

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