doc: add simple http clientError example
The clientError event allows proper http 4xx responses to be returned when a parse error occurs, but the documentation did not demonstrate how to use it.
/cc @nodejs/http @indutny
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The clientError event allows proper http 4xx responses to be returned when a parse error occurs, but the documentation did not demonstrate how to use it.
/cc @nodejs/http @indutny