Add IM19 IMU Library (#4419)

* Add SparkFun GNSS message parser

* Add SparkFun BQ40Z50 battery manager

* Add SparkFun u-blox PointPerfect library

* Add IM19 IMU Library

Author: nseidle

repositories.txt

@@ -5756,6 +5756,7 @@ https://github.com/sparkfun/SparkFun_HyperDisplay
 https://github.com/sparkfun/SparkFun_I2C_GPS_Arduino_Library
 https://github.com/sparkfun/SparkFun_I2C_Mux_Arduino_Library
 https://github.com/sparkfun/SparkFun_ICM-20948_ArduinoLibrary
+https://github.com/sparkfun/SparkFun_IM19_IMU_Arduino_Library
 https://github.com/sparkfun/SparkFun_Indoor_Air_Quality_Sensor-ENS160_Arduino_Library
 https://github.com/sparkfun/SparkFun_IridiumSBD_I2C_Arduino_Library
 https://github.com/sparkfun/SparkFun_ISL29125_Breakout_Arduino_Library