I had to set up an entire Express.js server to run this lol.
:3000/Build/Maze%20M…s.framework.js.gz:1 Uncaught SyntaxError: Invalid or unexpected token
The index.html file doesn't pass the header `Content-Encoding: gzip` because of this, the game doesn't run as the browser expects a plain JS file. I had to make an express.js server and tell it to manually pass the headers.
I thinks this error can be fixed when exporting from Unity.