Add new DFIQ YAML files and update copyright header in existing ones. #5

	name: Code Style
	on: [push]

	jobs:
	check_code_style:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python 3.11
	uses: actions/setup-python@v4
	with:
	python-version: 3.11
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install black pytype
	- name: Run `black` for code formatting
	run: black --check .
	- name: Run `pytype` for checking types
	run: pytype -d import-error .

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