[Enhancement] Use JS-Cookie to set Cookies (#193)

* Update js-cookie

* Add sdk css

* Remove conversation padding

app/javascript/widget/helpers/actionCable.js

@@ -6,6 +6,7 @@ class ActionCableConnector extends BaseActionCableConnector {
     this.events = {
       'message.created': this.onMessageCreated,
     };
+    console.log('joined', app, pubsubToken);
   }
 
   onMessageCreated = data => {