add description for files persisted in the sidecars file
add description for files persisted in the sidecars file

tagspaces/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,cbop-dev/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,tagspaces/tagspaces,cbop-dev/tagspaces,cbop-dev/tagspaces