Add EmbedFS repository link (#7220)

Author: tanakamasayuki

repositories.txt

@@ -7042,6 +7042,7 @@ https://github.com/tanakamasayuki/LinxESP32
 https://github.com/tanakamasayuki/UlpDebug
 https://github.com/tanakamasayuki/ESP32CertBundle
 https://github.com/tanakamasayuki/ESP32SerialCtl
+https://github.com/tanakamasayuki/EmbedFS
 https://github.com/TanPitch/ButtonKing
 https://github.com/TaraHoleInIt/Subpixie
 https://github.com/tasos12/ev3-arduino