Add submission # 6343

#6343

Author: ArduinoBot

registry.txt

@@ -8156,3 +8156,4 @@ https://github.com/ruiseixasm/JsonTalkie.git|Contributed|JsonTalkie
 https://github.com/sciosense/ens190-arduino.git|Contributed|ScioSense_ENS190
 https://github.com/depben/PT7C4339-RTC.git|Contributed|PT7C4339-RTC
 https://github.com/RCduino/RCduino.git|Contributed|RCduino
+https://github.com/styropyr0/mjoln_fs.git|Contributed|MjolnFileSystem