Add to the library the unhideAnnotation function as a group moderator. Not available yet in [API docs](https://h.readthedocs.io/en/latest/api-reference/#tag/annotations) Endpoint: https://hypothes.is/api/annotations/:id/hide HTTP Method: DELETE Spec.: unHideAnnotation(id, callback)
Add to the library the unhideAnnotation function as a group moderator. Not available yet in API docs
Endpoint: https://hypothes.is/api/annotations/:id/hide
HTTP Method: DELETE
Spec.: unHideAnnotation(id, callback)