public ActionResult ColorizedFormResult(ColorizerModel input)
        {
            ColorizerModel model = input;

            return(View("ColorizedFormResult", model));
        }
        // GET: Colorizer
        public ActionResult ColorizedForm()
        {
            ColorizerModel model = new ColorizerModel();

            return(View("ColorizedForm", model)); //pass the model into the view
        }