Update README.md

Adding reyax rylr998 driver library

Author: terakilobyte

README.md

@@ -896,6 +896,7 @@ Otherwise, please add it to the [WIP section](#wip) below.
 1. [i2c-multiplexer] - I2C - An I2C Multiplexer library that supports the PCA9546 and TCA9546A chips - [github][71] - [![crates.io](https://img.shields.io/crates/v/i2c-multiplexer.svg)](https://crates.io/crates/i2c-multiplexer)
 1. [SHT31-rs] - I2C - Fully supported SHT temperature / humidity sensors - [github][72] - [![crates.io](https://img.shields.io/crates/v/sht31.svg)](https://crates.io/crates/sht31)
 1. [AP33772S-rs] - I2C - no-std sync and async compatible rust driver for the AP33772S USB C Power Delivery with Extended Power Range I2C chip - [github][76] - [![crates.io](https://img.shields.io/crates/v/ap33772s-rs.svg)](https://crates.io/crates/ap33772s-rs)
+2. [RYLR998-rs] - GPIO - A complete Rust stack for the REYAX RYLR998 LoRa radio module, from a hardware-agnostic protocol layer up to a CLI you can drive from your shell. - [github][77] - [![crates.io](https://img.shields.io/crates/v/rylr998-core.svg)]([https://crates.io/crates/ryly-core](https://crates.io/crates/rylr998-core))
 
 [1&2]: http://blog.japaric.io/wd-1-2-l3gd20-lsm303dlhc-madgwick/
 [3]: http://pramode.in/2018/02/24/an-introduction-to-writing-embedded-hal-based-drivers-in-rust/
@@ -971,6 +972,7 @@ Otherwise, please add it to the [WIP section](#wip) below.
 [74]: https://github.com/rust-dd/embedded-dht-rs
 [75]: https://learn.adafruit.com/adafruit-seesaw-atsamd09-breakout/overview
 [76]: https://github.com/ScottGibb/AP33772S-rs
+[77]: https://github.com/terakilobyte/rylr998-rs
 
 [AD983x]: https://crates.io/crates/ad983x
 [adafruit-alphanum4]: https://crates.io/crates/adafruit-alphanum4