feat: add ssh-piv-sign, but it not works right

src/main.rs

@@ -41,6 +41,7 @@ mod cmd_chall;
 mod cmd_challconfig;
 mod cmd_sshagent;
 mod cmd_sshparsesign;
+mod cmd_sshpivsign;
 mod cmd_pgpageaddress;
 mod cmd_signjwt;
 mod cmd_signfile;
@@ -101,6 +102,7 @@ fn inner_main() -> CommandError {
         Box::new(cmd_u2fsign::CommandImpl),
         Box::new(cmd_sshagent::CommandImpl),
         Box::new(cmd_sshparsesign::CommandImpl),
+        Box::new(cmd_sshpivsign::CommandImpl),
         Box::new(cmd_pgpageaddress::CommandImpl),
         Box::new(cmd_signjwt::CommandImpl),
         Box::new(cmd_signfile::CommandImpl),