Use rclone lsf for metayaml get as well to allow full cloud storage

[danlooo]

[danlooo]

Now: Need to parse rclone paths e.g. myremote:my/path. This is currently not supported by click and pathlib

[danlooo]

rclone lsf is also faster than python pathlib rglob :)

6:54 min vs 1:18 min on laptop ~