feat(protocols): extend functionality of protocol macro

src/nex/account.rs

@@ -1,14 +1,17 @@
 
 
-struct Account{
+pub struct Account{
     pid: u32,
+    username: Box<str>,
     kerbros_password: Box<str>,
+
 }
 
 impl Account{
-    const fn new(pid: u32, passwd: &str) -> Self{
+    pub fn new(pid: u32, username: &str, passwd: &str) -> Self{
         Self{
             kerbros_password: passwd.into(),
+            username: username.into(),
             pid
         }
     }