Add submission # 6715

#6715

Author: ArduinoBot

registry.txt

@@ -8238,3 +8238,4 @@ https://github.com/Nezaemmy/NezaIR.git|Contributed|NezaIR
 https://github.com/BorisKotlyarov/ESP8266-WiFiSetupManager.git|Contributed|ESP8266-WiFiSetupManager
 https://github.com/Stutchbury/SerialMessageEvents.git|Contributed|SerialMessageEvents
 https://github.com/max22-/cst816d.git|Contributed|cst816d
+https://github.com/HarutoHiroki/VFDDisplay.git|Contributed|VFDDisplay