Add CrI3 tutorial (spin-polarised kcp calculation) #1054

	name: Typechecking

	on:
	pull_request:
	branches:
	- master
	push:
	branches:
	- master

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	max-parallel: 3
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	submodules: false
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -e .[test]
	- name: Install mypy
	run: \|
	python -m pip install --upgrade pip
	pip install mypy
	- name: Run mypy
	run: \|
	mypy src/koopmans/ --ignore-missing-imports

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