Add a sample .env file #81

	name: Continuous Integration

	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- main

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	# Many color libraries just need this to be set to any value, but at least
	# one distinguishes color depth, where "3" -> "256-bit color".
	FORCE_COLOR: 3


	jobs:
	checks:
	name: Check Python ${{ matrix.python-version }} on ${{ matrix.runs-on }}
	runs-on: ${{ matrix.runs-on }}
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.12"]
	runs-on: [ubuntu-latest, macos-latest, windows-latest]

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	allow-prereleases: true

	- name: Install package
	run: python -m pip install .[test]

	- name: Type-check package
	run: mypy

	- name: Test package
	run: >-
	python -m pytest -ra --cov --cov-report=xml --cov-report=term
	--durations=20

	- name: Upload coverage report
	uses: codecov/[email protected]
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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