fix(shield-axum): export route error (#104)

Author: DanielleHuisman

packages/integrations/shield-axum/src/lib.rs

@@ -8,6 +8,7 @@ mod routes;
 
 pub use shield_tower::*;
 
+pub use error::RouteError;
 pub use extract::*;
 pub use middleware::*;
 pub use router::*;