chore: add return error with middleware name

pkg/middleware.go

@@ -15,7 +15,7 @@ func searchMiddleware(rules []string, middlewares []Middleware) (Middleware, err
 		continue
 	}
 
-	return Middleware{}, errors.New("no middleware found with name " + strings.Join(rules, ";"))
+	return Middleware{}, errors.New("middleware not found with name:  [" + strings.Join(rules, ";") + "]")
 }
 func getMiddleware(rule string, middlewares []Middleware) (Middleware, error) {
 	for _, m := range middlewares {