Add PR action to validate notebook format #2

	name: Validate Changed Notebooks

	on: [pull_request]

	jobs:
	validate-notebooks:
	name: Validate Notebooks
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	fetch-depth: 0 # needed for git diff to work

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.12'

	- name: Install dependencies
	run: pip install nbformat

	- name: Validate changed .ipynb files
	run: python .github/scripts/check_notebooks.py

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