Thank you for reporting this, @Huy Nguyen ! I'm not seeing the project either, even after a search to see if the link was updated. It appears that this has been reported on the tutorial (and in the future you can report this by going to the bottom of the documentation page and clicking "This page" under Feedback > Submit and view feedback for).
I've updated the primary GitHub issue to include the reports that I've found (including your thread here) and tagged the document author. Updates to this will be tracked here:
https://github.com/MicrosoftDocs/azure-docs/issues/78185
Edit - Update: @Huy Nguyen , another reader is reporting that this repository may work while we wait for an update to the documentation: