[http client]: re-export transport types. (#607)

* [http client]: re-export transport types.

Closing #605

* cargo fmt

http-client/src/lib.rs

@@ -35,7 +35,9 @@
 //! [`async-std`](https://docs.rs/async-std/), [`smol`](https://docs.rs/smol) and similar.
 
 mod client;
-mod transport;
+
+/// HTTP transport.
+pub mod transport;
 
 #[cfg(test)]
 mod tests;

http-client/src/transport.rs

@@ -36,7 +36,7 @@ impl HyperClient {
 
 /// HTTP Transport Client.
 #[derive(Debug, Clone)]
-pub(crate) struct HttpTransportClient {
+pub struct HttpTransportClient {
 	/// Target to connect to.
 	target: Uri,
 	/// HTTP client
@@ -128,7 +128,7 @@ impl HttpTransportClient {
 
 /// Error that can happen during a request.
 #[derive(Debug, Error)]
-pub(crate) enum Error {
+pub enum Error {
 	/// Invalid URL.
 	#[error("Invalid Url: {0}")]
 	Url(String),