Add requirements.txt

[tonyjzhou]

Can we add a requirements.txt to examples to install jupyterlab?

I am happy to do it if I can create Pull Requests.

[videvelop]

It'd be useful. Till it is added, it'd be great if you can post the contents of requirements.txt in this issue thread.

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 10 days.

[github-actions]

This issue was closed because it has been stalled for 10 days with no activity.