When you create a Library, select +New from GitHub and enter the above path. It’s free, but no gpu support :(.
which is a paid service with its own Jupyter notebook support. You can authenticate yourself in Azure Notebooks and use any Azure service as well, but it's a bit more complicated. We hope to improve this in the future.
That said, it’s great to see the author’s work here - CNTK documentation can be a bit hard to come by.
Do you have any experience with brainscript and can you comment on developing with it compared to python api?