AppImage request: naps2

[shuvashish76]

repo: https://github.com/cyanfish/naps2 (Not Another PDF Scanner)
website: https://www.naps2.com/
at AUR: https://aur.archlinux.org/packages?O=0&K=naps2

[Samueru-sama]

Will do after gImageReader since that one likely shares methods with this one.