exclude folder via `.nomedia` file

[mo-han]

Is your feature request related to a problem? Please describe.

Describe the solution you'd like support folder excluding in Kodi style (.nomedia file in folder to exclude), which is supported by tinyMediaManager long ago https://www.tinymediamanager.org/blog/version-2-8-2/

Describe alternatives you've considered

Additional context

[bugwelle]

Cool idea! Do you happen to know whether this works on all hierarchies? e.g. in a season folder, .actors subdirectories, etc?