I think we should just use the link provided by @gregleibowitz .
It looks like the quickstart tutorial has just changed since course launch.
I'll be taking the course and then running through the setup on that page after.
I think the link may actually have been meant to point here:
Still I'm not totally sure.
This one has the "5 min quickstart guide" and gives a sample populated index.html with the libraries in the head.
Would love a fix for this.