after #2
ideally this should call some external app to scan qrcode
Megapixels will gain a "scan, print and quit" mode soon-ish https://gitlab.com/postmarketOS/megapixels/-/merge_requests/23
We could add same functionality to "Decoder". Or at least open an issue :) https://gitlab.gnome.org/World/decoder/
Would be nice to be able to do that via dbus...