Merge #407

407: add crossbus to no-std crates r=eldruin a=hominee



Co-authored-by: Bruce Yuan <50130186+hominee@users.noreply.github.com>

README.md

@@ -1173,6 +1173,7 @@ Work in progress drivers. Help the authors make these crates awesome!
 1. [device-driver]: A toolkit to write better device drivers, faster. ![crates.io](https://img.shields.io/crates/v/device-driver.svg)
 1. [drogue-device](https://github.com/drogue-iot/drogue-device): A distribution of tools and examples for building embedded applications in Rust.
 1. [dummy-pin](https://crates.io/crates/dummy-pin): Dummy implementations of the input/output pin traits. ![crates.io](https://img.shields.io/crates/v/dummy-pin.svg)
+1. [crossbus](https://github.com/hominee/crossbus): A Platform-Less, Runtime-Less Actor Computing Model.
 1. [ector](https://github.com/drogue-iot/ector): An async actor framework for embedded, based on embassy.
 1. [embassy]: A set of embedded async tools to make async/await a first-class option for embedded development
 1. [embedded-crc-macros](https://crates.io/crates/embedded-crc-macros): Macros implementing portable CRC algorithms and build-time lookup table generation. ![crates.io](https://img.shields.io/crates/v/embedded-crc-macros.svg)