Update repositories.txt (#6528)

Author: tyeth

repositories.txt

@@ -7035,6 +7035,7 @@ https://github.com/tuya/tuya-wifi-mcu-sdk-arduino-library
 https://github.com/tuya/tuya-zigbee-mcu-sdk-arduino-library
 https://github.com/Tvde1/ConfigTool
 https://github.com/Tvde1/WiFiPicker
+https://github.com/tyeth/omron-devhub_d6t-arduino
 https://github.com/tyhenry/CheapStepper
 https://github.com/tyrkelko/sn76489
 https://github.com/tzapu/WiFiManager