Add submission # 6984

#6984

Author: ArduinoBot

registry.txt

@@ -8425,3 +8425,4 @@ https://github.com/valeriofantozzi/TraccarClient.git|Contributed|TraccarClient
 https://github.com/RobTillaart/DCT532.git|Contributed|DCT532
 https://github.com/SofaPirate/PqLEDStrip.git|Contributed|PqLEDStrip
 https://github.com/RobTillaart/SHT4x.git|Contributed|SHT4x
+https://github.com/dougp2/Multi_Timer_V2.git|Contributed|Multi_Timer_V2