Add wireguard public key

This issue is temporarily used to store the public keys

Machine Public key
esel-uni U/Qjj91jDMXQgExfy7ElUW1PjoFOUq8IRqH+jPu5PEE=
nimbus RxIfie5MaI2RmFpToG0HfQBrVnS5X0UcTONySYSlRQw=
frank-mbp wFpIIjrTeRWP32zeZdLqM2h6pkCI7itzLa/kl1aMWmU=
Edited by Frank Sauerburger