Merge pull request #1 from nerodu/patch-1

Add RAK Audio libray

Author: beegee-tokyo

repositories.txt

@@ -3181,6 +3181,7 @@ https://github.com/RAKWireless/RAK13800-W5100S
 https://github.com/RAKWireless/RAK12034-BMX160
 https://github.com/RAKWireless/RAK12033-IIM42652
 https://github.com/RAKWireless/RAK13801_UWB
+https://github.com/RAKWireless/RAKwireless-Audio-library
 https://github.com/ramonheras/Pixel-and-Play-Arduino-Library
 https://github.com/rapifireio/rapifire-arduino-mqtt
 https://github.com/sdutek/sducar