Update repositories.txt (#4838)

Author: kanitawa

repositories.txt

@@ -79,6 +79,7 @@ https://github.com/NightHawk-Technology/NH8CHIR-lib
 https://github.com/hassanalitamam/Car_robot/
 https://github.com/nayooooo/StreamDeviceAT
 https://github.com/1ux/LED_RGB_Control
+https://github.com/kanitawa/VersatileSwitch
 https://github.com/1ux/DCF77Decode
 https://github.com/tdk-invn-oss/ultrasonic.arduino.CHx01
 https://github.com/stefangs/arduino-library-at24cxxx