Add commitment Root variant, and add fleshed out --commitment arg to Cli (#9806)

automerge

clap-utils/src/lib.rs

@@ -42,6 +42,7 @@ impl std::fmt::Debug for DisplayError {
     }
 }
 
+pub mod commitment;
 pub mod input_parsers;
 pub mod input_validators;
 pub mod keypair;