YubiKey Document Signing support

[CodingKoalaGeneral]

YubiKey Document Signing support

lowest prio

[JakubMelka]

@CodingKoalaGeneral, what is YubiKey Document Signing? Could you please provide more information?

[CodingKoalaGeneral]

This essentially describes PIV smartcard signing, which also supports YubiKey devices with digital certificates. However, due to its low priority, this feature should be deprioritized for the time being.