fix (example) add missing target to handler

Author: vengrov

examples/handlers/generic-persistence.js

@@ -2,9 +2,6 @@
 
 'use strict';
 
-Backendless.ServerCode.Persistence.afterCreate(function(req, res) {
-    console.log('afterCreate');
-
-    //stop further operation proceeding and respond to the client with a specific result
-    return { foo: 'bar' };
+Backendless.ServerCode.Persistence.afterCreate('*', function(req, res) {
+    console.log('afterCreate:generic');
 });