Sure, the code is completely client-side, simply clone it. If you’re running into CORS problems due to the file:// scheme Origin of opening a local file, simply host it as a local temporary server with something like python -m http.server .
This is due to the two ways most instances validate Cross-Origin requests:
Sending Access-Control-Allow-Origin: * (allow all hosts)
Dynamically putting your Origin into the Origin header of the response to your requests by the backend
file:// URLs will result in a null or file:// Origin which can’t be authorized via the second option, therefore the need to sometimes host the application via (local) webserver.