Added Hayasen sensors library (#494)

Author: Vaishnav-Sabari-Girish

README.md

@@ -1313,6 +1313,7 @@ Work in progress drivers. Help the authors make these crates awesome!
 1. [fixed-fft](https://crates.io/crates/fixed-fft): Fixed-point Fast Fourier Transform - [![Crates.io](https://img.shields.io/crates/v/fixed-fft.svg)](https://crates.io/crates/fixed-fft)
 1. [gcode](https://github.com/Michael-F-Bryan/gcode-rs): A gcode parser for no-std applications - [![crates.io](https://img.shields.io/crates/v/gcode.svg)](https://crates.io/crates/gcode)
 1. [gdbstub](https://crates.io/crates/gdbstub): zero-allocation, pure Rust implementation of the GDB Remote Serial Protocol - [![crates.io](https://img.shields.io/crates/v/gdbstub.svg)](https://crates.io/crates/gdbstub)
+1. [hayasen](https://github.com/Vaishnav-Sabari-Girish/Hayasen): An Embedded Rust crate with support for multiple sensors.  [![crates.io](https://img.shields.io/crates/v/hayasen.svg)](https://crates.io/crates/hayasen)
 1. [heapless](https://crates.io/crates/heapless): provides `Vec`, `String`, `LinearMap`, `RingBuffer` backed by fixed-size buffers  - [![crates.io](https://img.shields.io/crates/v/heapless.svg)](https://crates.io/crates/heapless)
 1. [idsp](https://crates.io/crates/idsp): integer DSP algorithms (trigonometry, filtering, PLL...) tuned for precision and speed - [![crates.io](https://img.shields.io/crates/v/idsp.svg)](https://crates.io/crates/idsp)
 1. [ieee802154](https://crates.io/crates/ieee802154): Partial implementation of the IEEE 802.15.4 standard - [![crates.io](https://img.shields.io/crates/v/ieee802154.svg)](https://crates.io/crates/ieee802154)