feat: add cardano registration chain

Signed-off-by: bkioshn <[email protected]>

Author: bkioshn

rust/rbac-registration/src/lib.rs

@@ -1,4 +1,5 @@
 //! This crate provides functionalities for RBAC registration.
 
 pub mod cardano;
+pub mod registration;
 pub(crate) mod utils;