Add async to default features, correct and improve documentation

Signed-off-by: Marvin Gudel <marvin.gudel@9elements.com>

Author: embediver

mctp-estack/Cargo.toml

@@ -30,7 +30,7 @@ smol = { workspace = true }
 
 
 [features]
-default = ["log"]
+default = ["log", "async"]
 std = ["mctp/std"]
 log = ["dep:log"]
 defmt = ["mctp/defmt", "dep:defmt" ]

mctp-estack/README.md

@@ -3,12 +3,12 @@
 [API docs](https://docs.rs/mctp-estack)
 
 This is a MCTP stack suitable for embedded devices.
-A `async` Router for embassy based applications is available
-through the `embassy` feature.
+A `async` Router for [Embassy](https://embassy.dev/) (or other _async runtime_)
+based applications is available through the `async` feature.
 
 A `Router` instance handles feeding MCTP packets to and from user
 provided MCTP transports, and handles sending receiving MCTP messages
-from applications using the `mctp` crate async traits.
+from applications using the `mctp` crate _async_ traits.
 
 Applications using MCTP can create `RouterAsyncListener` and
 `RouterAsyncReqChannel` instances.
@@ -20,5 +20,4 @@ and MCTP tag tracking. MCTP transport binding packet encoding and decoding is
 provided for I2C, USB, and serial.
 
 ## Features
-- `embassy`: async `Router` for [Embassy](https://embassy.dev/)
-- `async`: [embedded-io-async](https://docs.rs/embedded-io-async/0.6.1/embedded_io_async/) serial transport binding (enabled by `embassy` feature)
+- `async`: _async_ router implementing `mctp` crate _async_ traits

mctp-estack/src/lib.rs

@@ -20,7 +20,7 @@
 //! be passed to applications.
 //!
 //! ## Features
-//! - `async`: [embedded-io-async](https://docs.rs/embedded-io-async/0.6.1/embedded_io_async/) serial transport binding and async Router
+//! - `async`: _async_ router implementing [`mctp` crate](mctp) _async_ traits
 //!
 //! ## Configuration
 //!