Start to implement auth middleware

src/data/session_identity.rs

@@ -27,8 +27,6 @@ struct SessionIdentityData {
     login_time: u64,
     last_access: u64,
     pub status: SessionStatus,
-
-    // TODO : add session max duration (1 day)
 }
 
 pub struct SessionIdentity<'a>(pub &'a Identity);