Add Copyright notes third persons

README.md

@@ -7,7 +7,7 @@ This add-on will remove the tracking fields form all URLs which are visited by t
 This add-on protects your privacy and block the request from advertising services like *doubleclick.net*.
 
 > **Application:**
-> 
+>
 > Large (and small) webpages use elements in the URL, e.g.: https://example.com?source=thisIstheSiteIvisitedBefore to track your online activities. In this example, the source field tells the provider which page you visited before. The add-on will remove these tracking fields from the URL
 
 If have any suggestions or complaints, please create an issue request.
@@ -17,4 +17,18 @@ Screens:
 ![Interface (version 1.1.2.0)](https://addons.cdn.mozilla.net/user-media/previews/full/187/187625.png?modified=1505340066)
 
 
+Copyright notes third persons:
+We are use some external script in our add-on. The authors and licenses are listed below.
+-   Bootstrap v3.3.7 (http://getbootstrap.com) |
+    Copyright 2011-2016 Twitter, Inc. |
+    Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+-   jQuery v3.2.1 (https://jquery.com/) |
+    Copyright 2017 The jQuery Foundation |
+    Licensed under MIT (https://jquery.org/license/)
+-   sha256.jquery.plugin (https://github.com/orsozed/sha256.jquery.plugin) |
+    Copyright 2003, Christoph Bichlmeier |
+    MIT (https://raw.github.com/orsozed/JQuery-Plugins/master/license/MIT-LICENSE.txt) |
+    GPLv2 (https://raw.github.com/orsozed/JQuery-Plugins/master/license/GPL-LICENSE.txt)
+-   DataTables (https://datatables.net/) |  Copyright 2011-2015 SpryMedia Ltd | MIT (https://datatables.net/license/)
+
 [![License: MPL 2.0](https://img.shields.io/badge/License-MPL%202.0-brightgreen.svg)](https://opensource.org/licenses/MPL-2.0)