Add workflow #2

	name: Run style checking, static type checking, unit test, and doctests
	on: [pull_request, push]
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	- run: pip install -r requirements.txt
	- name: Run style checking
	run: flake8 revolution
	- name: Run static type checking
	run: mypy --strict revolution
	- name: Run unit tests
	run: python -m unittest
	- name: Run doctests
	run: python -m doctest revolution/*.py

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