add disclaimer on web resources and sources

Author: elneruda

TeadsSampleApp/WebViewHelper/Ressources/bootstrap.js

@@ -3,6 +3,10 @@
  * @author RonanDrouglazet <[email protected]>
  * @date 10-2014
  * @copyright Teads <http://www.teads.tv>
+ *
+ * ⚠️ This bootstrap has been provided to give you a hand in your integration webview.
+ * It's not designed to work on every integration, it needs to be customised to suit your needs
+ *
  */
 
 (function() {

TeadsSampleApp/WebViewHelper/WebViewHelper.swift

@@ -6,6 +6,9 @@
 //  Copyright © 2017 Teads. All rights reserved.
 //
 
+/// ⚠️ This helper has been provided to give you a hand in your integration webview.
+/// It's not designed to work on every integration, it needs to be customised to suit your needs
+
 import UIKit
 import WebKit