feat: u2f

src/main.rs

@@ -1,10 +1,13 @@
-#[macro_use] extern crate rust_util;
+#[macro_use]
+extern crate rust_util;
 
 mod cmd;
+mod fido;
+mod digest;
 mod register;
 mod sign;
 
-use clap::App;
+use clap::{App, AppSettings};
 use cmd::{Command, CommandError};
 use cmd::DefaultCommandImpl;
 
@@ -15,7 +18,9 @@ fn main() -> CommandError {
     ];
     let mut app = App::new(env!("CARGO_PKG_NAME"))
         .version(env!("CARGO_PKG_VERSION"))
-        .about(env!("CARGO_PKG_DESCRIPTION"));
+        .about(env!("CARGO_PKG_DESCRIPTION"))
+        .long_about("Webauthn Cli is a command tool register and sign using FIDO security key")
+        .setting(AppSettings::ColoredHelp);
     app = DefaultCommandImpl::process_command(app);
     for command in &commands {
         app = app.subcommand(command.subcommand());