File Manager App

[Gerold55]

file_manager_app.zip

@bell07

[bell07]

Duplicate to #64
The currently implemented VFS does not support folders at the time.

The 'os:select_file' app exists (in os_dialogs_app.lua) and is the candidate to be enhanced to "full" file manager.

[Gerold55]

I was thinking we could make it possible to look in either the laptop or the removable storage.