Add uf-ahrs

Author: jettify

README.md

@@ -1357,6 +1357,7 @@ Work in progress drivers. Help the authors make these crates awesome!
 1. [static-bytes](https://github.com/xoac/static-bytes): Help work with buffers without dynamic allocation. Implement traits from bytes crate. [![crate.io](https://img.shields.io/crates/v/static-bytes.svg)](https://crates.io/crates/static-bytes)
 1. [Stepper]: Universal Stepper Motor Interface - [![crates.io](https://img.shields.io/crates/v/stepper.svg)](https://crates.io/crates/stepper)
 1. [tinybmp](https://crates.io/crates/tinybmp): No-std, no-alloc BMP parser for embedded systems. [Introductory blog post](https://wapl.es/rust/2019/03/04/embedded-graphics-0.4.7-bmp-support.html) - [![crates.io](https://img.shields.io/crates/v/tinybmp.svg)](https://crates.io/crates/tinybmp)
+1. [uf-ahrs](https://crates.io/crates/uf-ahrs): AHRS sensor fusion library for embedded and `no_std` environments, implementing `Mahony`, `Madgwick`, and `VQF` filters. - [![crates.io](https://img.shields.io/crates/v/uf-ahrs.svg)](https://crates.io/crates/uf-ahrs)
 1. [vga-framebuffer]: A VGA signal generator and font renderer for VGA-less microcontrollers. Used by [Monotron](https://github.com/thejpster/monotron) to generate 48 by 36 character display using 3 SPI peripherals and a timer. [![crates.io](https://img.shields.io/crates/v/vga-framebuffer.svg)](https://crates.io/crates/vga-framebuffer)
 1. [usbpd](https://github.com/elagil/usbpd): USB-PD library and traits, supports Sink mode, with Source functionality planned.
 1. [wyhash]: A fast, simple and portable hashing algorithm and random number generator. - [![crates.io](https://img.shields.io/crates/v/wyhash.svg)](https://crates.io/crates/wyhash)