Serv this dir via ftp with rclone

As seen in this thread.

rclone -v serve ftp --addr 0.0.0.0:2121 --user ftp --pass ftp .
# -v is for verbose
# port 2121 is so the root is not needed for binding
# . is for this dir

Rclone is a go app https://rclone.org/downloads/.