Update injected libraries

[esoadamo]

Recently, the injected libraries were updated, including a new library GUt.js (aka GUtils) which now provides a way to decode unicode from base 64. This is required to decode emojis as no other method worked from injected script, at least not on qrpr.eu.

[esoadamo]

https://github.com/QRGameStudio/web-qrpr.eu/tree/master/lib

• all needed to do is to copy all files from this folder to the corresponding destination inside this project