Add submission # 4250

#4250

Author: ArduinoBot

registry.txt

@@ -6898,3 +6898,4 @@ 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
+https://github.com/pokerobo/Pokerobo_Labs.git|Contributed|Pokerobo_Labs