Merge #281

281: Add anyleaf r=adamgreig a=David-OConnor

Add a link for the anyleaf ph module driver

Co-authored-by: David O'Connor <david.alan.oconnor@gmail.com>

README.md

@@ -523,6 +523,7 @@ have achieved the "released" status (published on crates.io + documentation / sh
 1. [ADS1x1x] - I2C - 12/16-bit ADCs like ADS1013, ADS1015, ADS1115, etc. - [Intro blog post][23] - ![crates.io](https://img.shields.io/crates/v/ads1x1x.svg)
 1. [ADXL343] - I2C - 3-axis accelerometer - ![crates.io](https://img.shields.io/crates/v/adxl343.svg)
 1. [ADXL355] - SPI - 3-axis accelerometer - [Intro blog post][43] - ![crates.io](https://img.shields.io/crates/v/adxl355.svg)
+1. [AnyLeaf] - I2C - pH sensor module - [github](https://github.com/AnyLeaf/ph-rust) - ![crates.io](https://img.shields.io/crates/v/anyleaf.svg)
 1. [AT86RF212] - SPI - Low power IEEE 802.15.4-2011 ISM RF Transceiver - [Intro blog post][36] - ![crates.io](https://img.shields.io/crates/v/radio-at86rf212.svg)
 1. [BlueNRG] - SPI - driver for BlueNRG-MS Bluetooth module - [Intro post][15] ![crates.io](https://img.shields.io/crates/v/bluenrg.svg)
 1. [BNO055] - I2C - Bosch Sensortec BNO055 9-axis IMU driver - [Intro post][18] ![crates.io](https://img.shields.io/crates/v/bno055.svg)
@@ -615,6 +616,7 @@ have achieved the "released" status (published on crates.io + documentation / sh
 [ADS1x1x]: https://crates.io/crates/ads1x1x
 [ADXL343]: https://crates.io/crates/adxl343
 [ADXL355]: https://crates.io/crates/adxl355
+[AnyLeaf]: https://crates.io/crates/anyleaf
 [at86rf212]: https://crates.io/crates/radio-at86rf212
 [BlueNRG]: https://crates.io/crates/bluenrg
 [BNO055]: https://crates.io/crates/bno055