chore: add some text for main doc page

Author: thatdevsherry

README.md

@@ -1,6 +1,6 @@
 # twamp-rs
 
-TWAMP [RFC 5357](https://datatracker.ietf.org/doc/rfc5357/) implementation
+TWAMP [RFC 5357](https://datatracker.ietf.org/doc/html/rfc5357) implementation
 in rust.
 
 Supports unauthenticated mode only.

src/lib.rs

@@ -1,3 +1,16 @@
+//! TWAMP Protocol Implementation [RFC 5357](https://datatracker.ietf.org/doc/html/rfc5357)
+//!
+//! This crate provides an implementation of the TWAMP protocol (unauthenticated mode),
+//! organized into the following components:
+//!
+//! - [`control_client`] - Control client implementation
+//! - [`server`] - Server implementation  
+//! - [`session_reflector`] - Session reflector
+//! - [`session_sender`] - Session sender
+//! - [`timestamp`] - Timestamp utilities
+//! - [`twamp_control`] - TWAMP control protocol
+//! - [`twamp_test`] - TWAMP test protocol
+
 #[doc(inline)]
 pub use control_client;
 #[doc(inline)]