message: docs(client): clarify HttpConnector::new_with_resolver doc
  link to hyper::client::connect::dns, closes
diff: @@ -103,7 +103,7 @@ impl HttpConnector<TokioThreadpoolGaiResolver> {
  impl<R> HttpConnector<R> {
  /// Construct a new HttpConnector.
  ///
  - /// Takes a `Resolve` to handle DNS lookups.
  + /// Takes a [`Resolver`](crate::client::connect::dns#resolvers-are-services) to handle DNS lookups.
  pub fn new_with_resolver(resolver: R) -> HttpConnector<R> {
  HttpConnector {
  config: Arc::new(Config {
  