fixing invalid import

Author: ef4

addon/index.js

@@ -1,11 +1,11 @@
 import {
   Inflector,
-  defaultRules,
   pluralize,
   singularize
 } from "./lib/system";
 
 export default Inflector;
+const { defaultRules } = Inflector;
 
 export {
   pluralize,