Move keysinterface.rs to a directory-level module called sign#2246

Merged

TheBlueMatt merged 1 commit intolightningdevkit:mainfrom

arik-so:2023-04-sign-module

May 3, 2023

Commits on May 3, 2023

Move keysinterface.rs to a directory-level module called sign.
arik-so
committed