add adskalman

README.md

@@ -892,6 +892,7 @@ Work in progress drivers. Help the authors make these crates awesome!
 
 [`#![no_std]` crates][no-std-category] designed to run on resource constrained devices.
 
+1. [adskalman](https://crates.io/crates/adskalman): Kalman filter and Rauch-Tung-Striebel smoothing implementation. ![crates.io](https://img.shields.io/crates/v/adskalman.svg)
 1. [atomic](https://crates.io/crates/atomic): Generic Atomic<T> wrapper type. ![crates.io](https://img.shields.io/crates/v/atomic.svg)
 1. [bbqueue](https://crates.io/crates/bbqueue): A SPSC, statically allocatable queue based on BipBuffers suitable for DMA transfers - ![crates.io](https://img.shields.io/crates/v/bbqueue.svg)
 1. [bitmatch]: A crate that allows you to match, bind, and pack the individual bits of integers. - ![crates.io](https://img.shields.io/crates/v/bitmatch.svg)