Expose builder

tower-h2/src/lib.rs

@@ -12,4 +12,4 @@ mod server;
 
 pub use client::Connection;
 pub use recv_body::RecvBody;
-pub use server::Server;
+pub use server::{Builder, Server};

tower-h2/src/server.rs

@@ -7,6 +7,8 @@ use tokio_io::{AsyncRead, AsyncWrite};
 use tower_service::Service;
 use tower_util::MakeService;
 
+pub use h2::server::Builder;
+
 pub struct Server<M, B>
 where
     M: MakeService<(), Request<RecvBody>>,