Add github action workflow for building notebooks #1

	name: Build Notebooks
	on:
	push:

	jobs:
	run:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: jupytext and nbconvert
	run: >
	pip install jupytext nbconvert

	jupytext --to ipynb --update-metadata '{"jupytext":{"cell_metadata_filter":"all"}}' solution.py

	jupyter nbconvert solution.ipynb --TagRemovePreprocessor.enabled=True --TagRemovePreprocessor.remove_cell_tags solution --to notebook --output exercise.ipynb
	jupyter nbconvert solution.ipynb --TagRemovePreprocessor.enabled=True --TagRemovePreprocessor.remove_cell_tags task --to notebook --output solution.ipynb

	- uses: EndBug/add-and-commit@v9
	with:
	add: solution.ipynb exercise.ipynb

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