Add ErriezBMX280 library

Author: Erriez

.gitmodules

@@ -64,3 +64,6 @@
 [submodule "libraries/ErriezMHZ19B"]
 	path = libraries/ErriezMHZ19B
 	url = https://github.com/Erriez/ErriezMHZ19B
+[submodule "libraries/ErriezBMX280"]
+	path = libraries/ErriezBMX280
+	url = https://github.com/Erriez/ErriezBMX280

README.md

@@ -18,11 +18,18 @@ Move the libraries/* to your Arduino/libraries/ directory
 
 ### [MH-Z19B CO2 Sensor](https://github.com/Erriez/ErriezMHZ19B) [![Build Status](https://travis-ci.org/Erriez/ErriezMHZ19B.svg?branch=master)](https://travis-ci.org/Erriez/ErriezMHZ19B)
 
-This is a MH-Z19B CO2 sensor library for Arduino with a small footprint. Hardware and software serial supported.
+MH-Z19B CO2 sensor library for Arduino with a small footprint. Hardware and software serial supported.
 
 [![ErriezMHZ19B](https://raw.githubusercontent.com/Erriez/ErriezMHZ19B/master/extras/MHZ19B.png)](https://github.com/Erriez/ErriezMHZ19B)
 
 
+### [BMP280 / BME280 Sensor](https://github.com/Erriez/ErriezBMX280) [![Build Status](https://travis-ci.org/Erriez/ErriezBMX280.svg?branch=master)](https://travis-ci.org/Erriez/ErriezBMX280)
+
+BMP280/BME280 temperature / pressure / humidity sensor library for Arduino with I2C interface.
+
+[![ErriezBMX280](https://raw.githubusercontent.com/Erriez/ErriezBMX280/master/extras/BMX280.png)](https://github.com/Erriez/ErriezBMX280)
+
+
 ### [INA219 DC Power Sensor](https://github.com/Erriez/ErriezINA219) [![Build Status](https://travis-ci.org/Erriez/ErriezINA219.svg?branch=master)](https://travis-ci.org/Erriez/ErriezINA219)
 
 INA219 I2C/SMB DC Voltage/Current/Power sensor.