Added link check workflow and fixed identified broken links #2

	name: Test Notebooks

	on:
	push:
	branches:
	- '*'
	pull_request:
	branches:
	- '*'

	jobs:
	test-notebooks:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: 3.8

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install jupyter nbformat nbconvert

	- name: Execute Notebooks
	run: \|
	find tutorials/notebooks/* -name '*.ipynb' -exec jupyter nbconvert --to notebook --execute {} +

	- name: Check for errors
	run: \|
	if [ $? -ne 0 ]; then
	echo "Notebook execution failed."
	exit 1
	fi

Provide feedback