Add a qrcode for thunderbird mobile app

Feature requests
1

Hi everybody,

It will be very great if we can stock mail parameter like imap and smtp.
Moreover, it will be cool if we can generate a qrcode for set parameters in thunderbird mobile app. thunderbird give the constitution of theses qrcode.

https://github.com/thunderbird/thunderbird-android/blob/main/feature/migration/qrcode/qr-code-format.md

thank’s by advance !