Add submission # 6205

#6205

Author: ArduinoBot

registry.txt

@@ -8059,3 +8059,4 @@ https://github.com/arduino-libraries/Arduino_KVStore.git|Arduino|Arduino_KVStore
 https://github.com/Obu-IntroSat/IntroSatLib.git|Contributed|IntroSatLib
 https://github.com/GyverLibs/GyverWire.git|Contributed|GyverWire
 https://github.com/KOINSLOT-Inc/kywy.git|Contributed|Kywy
+https://github.com/Nick507/SmallButton.git|Contributed|SmallButton