Add sized-dst crate

Author: YuhanLiin

README.md

@@ -1288,6 +1288,7 @@ Work in progress drivers. Help the authors make these crates awesome!
 1. [register-rs](https://github.com/rust-embedded/register-rs): Unified interface for MMIO and CPU registers. Provides type-safe bitfield manipulation. `register-rs` is Tock registers with added support for CPU register definitions using the same API as for the MMIO registers. This enables homogeneous interfaces to registers of all kinds. - ![crates.io](https://img.shields.io/crates/v/register.svg)
 1. [scapegoat](https://crates.io/crates/scapegoat): Safe, stack-only alternative to `BTreeSet` and `BTreeMap`. - [![crates.io](https://img.shields.io/crates/v/scapegoat.svg)](https://crates.io/crates/scapegoat)
 1. [scroll](https://crates.io/crates/scroll): extensible and endian-aware Read/Write traits for generic containers - ![crates.io](https://img.shields.io/crates/v/scroll.svg)
+1. [sized-dst](https://crates.io/crates/sized-dst): Owned container for dynamically-sized types (such as trait objects) backed by stack memory. - ![crates.io](https://img.shields.io/crates/v/sized-dst.svg)
 1. [Slint](https://crates.io/crates/slint): Declarative GUI framework that works on microcontrollers. [![crates.io](https://img.shields.io/crates/v/slint.svg)](https://crates.io/crates/slint)
 1. [smbus-pec](https://crates.io/crates/smbus-pec): Minimal portable System Management Bus Packet Error Code calculation algorithm. ![crates.io](https://img.shields.io/crates/v/smbus-pec.svg)
 1. [smoltcp](https://github.com/m-labs/smoltcp): a small TCP/IP stack that runs without `alloc`. ![crates.io](https://img.shields.io/crates/v/smoltcp.svg)