Function scope_trailer 

pub fn scope_trailer(capabilities: &[String]) -> String

Format a scope-claim commit trailer (Auths-Scope: <cap>[,<cap>…]).

Args:

• capabilities: The capabilities the commit exercises.

Usage:

use auths_verifier::scope_trailer;
assert_eq!(scope_trailer(&["sign_commit".into()]), "Auths-Scope: sign_commit");