wg-quick: Add ORCHIDv2 address for in-band management

[Rene 'Renne' Bartsch, B.Sc. Informatics]

Hi,

I suggest to extend wg-quick with functions to add an ORCHIDv2 address derived from the public key
for in-band managment purposes (e.g. DHCPv6 relays, peer list exchange, ...).

Regards,

Renne