encoded text in copyparty-sfx.py

Could you take a moment to explain why this file [copyparty-sfx.py](https://github.com/9001/copyparty/releases/latest/download/copyparty-sfx.py) from the main readme has binary encoded content at the end please? 

<img width="1054" height="769" alt="Image" src="https://github.com/user-attachments/assets/27b76856-fc25-4268-8d17-d11d30874d2b" />

Many thanks! Wonderful looking project this.