Update repositories.txt (#4149)

Author: dlyckelid

repositories.txt

@@ -1794,6 +1794,7 @@ https://github.com/Dlloydev/ESP32-ESP32S2-AnalogWrite
 https://github.com/Dlloydev/QuickPID
 https://github.com/Dlloydev/sTune
 https://github.com/Dlloydev/Toggle
+https://github.com/dlyckelid/HDC2010
 https://github.com/dlyckelid/IOExpander-TLA2518
 https://github.com/dlyckelid/KX023-1025-IMU
 https://github.com/dmadison/AnalogSelector-Arduino