feat: add openpgp card list

src/main.rs

@@ -6,6 +6,7 @@ mod fido;
 mod digest;
 mod register;
 mod sign;
+mod pgpcardlist;
 
 use clap::{App, AppSettings};
 use cmd::{Command, CommandError};
@@ -15,6 +16,7 @@ fn main() -> CommandError {
     let commands: Vec<Box<dyn Command>> = vec![
         Box::new(register::CommandImpl),
         Box::new(sign::CommandImpl),
+        Box::new(pgpcardlist::CommandImpl),
     ];
     let mut app = App::new(env!("CARGO_PKG_NAME"))
         .version(env!("CARGO_PKG_VERSION"))