Add submission # 4308

#4308

Author: ArduinoBot

registry.txt

@@ -6934,3 +6934,5 @@ https://github.com/vortigont/ESPAsyncButton.git|Contributed|ESPAsyncButton
 https://github.com/chankame/sclm-p105_shield.git|Contributed|sclm-p105_shield
 https://github.com/siroshy/SharpIR.git|Contributed|sharpIRSensor
 https://github.com/tdk-invn-oss/ultrasonic.arduino.CHx01.git|Contributed|CHx01
+https://github.com/1ux/DCF77Decode.git|Contributed|DCF77Decode
+https://github.com/1ux/BasicColorLedControl.git|Contributed|BasicColorLedControl