Add submission # 4249

#4249

Author: ArduinoBot

registry.txt

@@ -6897,3 +6897,4 @@ https://github.com/alunit3/ServoESP32.git|Contributed|ServoESP32Fix
 https://github.com/fire1/CmdSerial.git|Contributed|CmdSerial
 https://github.com/pokerobo/Pokerobo_RCB.git|Contributed|Pokerobo RCB
 https://github.com/SikongJueluo/LCT200.git|Contributed|LCT200
+https://github.com/pokerobo/Pokerobo_Car.git|Contributed|Pokerobo_Car