doc: Update documentation of features

Author: tmccombs

src/lib.rs

@@ -8,10 +8,13 @@
 //! TCP or unix domain socket).
 //!
 //! # Features:
-//! - `rustls`: Support the tokio-rustls backend for tls (default)
-//! - `native-tls`: support the tokio-native-tls backend for tls
 //! - `tokio-net`: Implementations for tokio socket types (default)
 //! - `rt`: Features that depend on the tokio runtime, such as [`SpawningHandshakes`]
+//! - `rustls-core`: Support the tokio-rustls backend for tls
+//! - `rustls-aws-lc`: Include the aws-lc provider for rustls
+//! - `rustls-ring`: Include the ring provider for rustls
+//! - `rustls-fips`: Include enabling the "fips" feature for rustls
+//! - `native-tls`: support the tokio-native-tls backend for tls
 
 use futures_util::stream::{FuturesUnordered, Stream, StreamExt, TryStreamExt};
 use pin_project_lite::pin_project;