Add submission # 6200

#6200

Author: ArduinoBot

Diff for: registry.txt

@@ -8055,3 +8055,4 @@ https://github.com/ArtronShop/AmAlert-Arduino.git|Contributed|AmAlert
 https://github.com/Seeed-Studio/Seeed_Arduino_SPA06.git|Contributed|Seeed Arduino SPA06
 https://github.com/Eason-SYC/WS2812_SYC_Air001.git|Contributed|WS2812_SYC_Air001
 https://github.com/hanzeelvilla/MyLedIO.git|Contributed|MyLedIO
+https://github.com/arduino-libraries/Arduino_KVStore.git|Arduino|Arduino_KVStore