padding around downloaded qrcode

Hello,

First of all, thank you for this great plugin; it’s exactly what I was looking for.

I have a request concerning the PNG file generated when downloading the QR code. The file currently lacks a border, which sometimes makes it hard for scanners to read, particularly on darker backgrounds. Adding a 10px white border around the QR code would greatly improve readability and make it easier to scan in various conditions.

Is there any way to add this kind of border to the downloaded file when saving the canvas?

Thank you very much for your time and consideration.

Best regards,