Update repositories.txt (#6987)

Arduino library for BCC ESP32 Development board.

Signed-off-by: Nonpawit Ekburanawat <[email protected]>

Author: nonpawite

repositories.txt

@@ -8433,3 +8433,4 @@ https://github.com/junzzhu/esp-mqtt-arduino
 https://github.com/skr-electronics-lab/OLEDKeyboard.git
 https://github.com/valeriofantozzi/TraccarClient.git
 https://github.com/SofaPirate/PqLEDStrip
+https://github.com/nonpawite/bcc-esp-dev