message: docs(service-worker): add missing comma in example JSON data
  PR Close
diff: @@ -45,7 +45,7 @@ import {ERR_SW_NOT_SUPPORTED, NgswCommChannel, PushEvent} from './low_level';
  * {
  * "notification": {
  * "actions": NotificationAction[],
  - * "badge": USVString
  + * "badge": USVString,
  * "body": DOMString,
  * "data": any,
  * "dir": "auto"|"ltr"|"rtl",
  