fixed the url

Author: benoit.fonty

examples/v4/websocket_text_iink.html

@@ -85,7 +85,7 @@
       protocol: 'WEBSOCKET',
       apiVersion: 'V4',
       server: {
-        scheme: 'http',
+        scheme: 'https',
         host: 'webdemoapi.myscript.com',
         applicationKey: '515131ab-35fa-411c-bb4d-3917e00faf60',
         hmacKey: '54b2ca8a-6752-469d-87dd-553bb450e9ad'