Add submission # 7220

#7220

Author: ArduinoBot

registry.txt

@@ -8562,3 +8562,4 @@ https://github.com/vicharak-in/shrike_arduino.git|Contributed|Shrike
 https://github.com/sensebox/DNMSI2C.git|Contributed|DNMSI2C
 https://github.com/szilvasyz/DCF77FreeRTOS.git|Contributed|DCF77FreeRTOS
 https://github.com/me-RK/MAX7219_CH32.git|Contributed|MAX7219_CH32
+https://github.com/tanakamasayuki/EmbedFS.git|Contributed|EmbedFS