add export

dist/js/doodle.js

@@ -867,7 +867,7 @@ let DoodleBack = function (item, config) {
     this.initLoad();
 };
 
-class Doodle {
+export class Doodle {
     constructor(el, options) {
         moment.locale('fr')
         let config = this.initializeConfig(options);