jquery bug fixed

src/core.js

 import {TransformsFactory} from "./transforms-factory";
-import $ from 'jquery';
 import {HideTransform} from './transformations/hide-transform';
 
 function core(){

src/transformations/color-transformation/color-transforamtion.js

 import './color-transformation.css';
 import {Transform} from "../transform";
-import $ from "JQuery";
+import $ from "jquery";
 
 export class ColorTransform extends Transform {
     constructor(selector){

src/transformations/hide-transform.js

 import {Transform} from "./transform";
-import $ from "JQuery";
+import $ from "jquery";
 
 export class HideTransform extends Transform {
     constructor(selector){
 
     execute(){
         $(this.selector).hide();
+        var $div = $('<p> '+this.selector+' </p>').appendTo('body');
     }
 
     rolback(){