refactor index.js to make it even simpler.

src/editor/Editor.js

@@ -14,6 +14,13 @@
 * @module SVGEditor
 */
 
+import jQuery from 'jquery/dist/jquery.slim.js';
+import jQueryPluginSVG from '../svgcanvas/jQuery.attr.js'; // Needed for SVG attribute
+import './components/index.js';
+import './dialogs/index.js';
+// Global Constant
+window.$ = jQueryPluginSVG(jQuery);
+
 import './touch.js';
 import { isMac } from '../common/browser.js';