Hey Hugo,
It has been a little while, but I would imagine you’d create it in the Root Directory for the CRM
Just an FYI, I’d noticed on the Comments of that Script that someone has linked a more up to date script:
https://gist.github.com/esimonetti/9ca21b15dc47565b12ee73e2352da549
I haven’t given it a try, but just in case you hadn’t seen 