Adding serialization and docs (#6)

src/lib.rs

@@ -3,7 +3,15 @@
 // This source code is licensed under the MIT license found in the
 // LICENSE file in the root directory of this source tree.
 
-// #![cfg_attr(not(feature = "bench"), deny(missing_docs))]
+//! An implementation of a verifiable oblivious pseudorandom function (VOPRF)
+//!
+//! Note: This implementation is in sync with
+//! [draft-irtf-cfrg-opaque-07](https://www.ietf.org/archive/id/draft-irtf-cfrg-opaque-07.html),
+//! but this specification is subject to change, until the final version published by the IETF.
+//!
+//!
+
+#![cfg_attr(not(feature = "bench"), deny(missing_docs))]
 #![deny(unsafe_code)]
 #![cfg_attr(not(feature = "std"), no_std)]