Prof. Juno, if you see this for some reason I was not able to get the build. It kept failing, and showing errors. That is why I juts put a zip to the Unity Project folder.
I was able to get a WebGL build going (using Unity 2018.2.10), although it took ~28 minutes. I would recommend trying again.
You may also want to scale the canvas element, because you won't be able to get past the menu unless you make it full screen (a lot of the text gets cut off).
