Moonraker readme for authentication

docs/widgets/services/moonraker.md

@@ -12,3 +12,13 @@ widget:
   type: moonraker
   url: http://moonraker.host.or.ip:port
 ```
+
+
+If your moonraker instance has an active authorization and your homepage ip isn't whitelisted you need to add your api key ([Authorization Documentation](https://moonraker.readthedocs.io/en/latest/web_api/#authorization)).
+
+```yaml
+widget:
+  type: moonraker
+  url: http://moonraker.host.or.ip:port
+  key: api_keymoonraker
+```