updated Dialog.md

pages/Dialog.md

@@ -3,3 +3,4 @@ Dialog
 Name | License | Demo
 --- | --- | ---
 [DialogPlus](https://github.com/orhanobut/dialogplus) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="/art/DialogPlus.png" width="30%"> <img src="/art/DialogPlus2.gif" width="49%">
+[Sweet Alert](https://github.com/pedant/sweet-alert-dialog) | [MIT](http://opensource.org/licenses/MIT) | <img src="/art/swalert_change_type.gif" width="49%">