fix: add missing jquery import

Close #60

Author: paodb

src/main/resources/META-INF/frontend/orgchart/dist/js/jquery.orgchart.js

@@ -10,6 +10,8 @@
  */
 'use strict';
 
+import jQuery from "jquery";
+
 (function (factory) {
  if (typeof module === 'object' && typeof module.exports === 'object') {
  factory(require('jquery'), window, document);