FolderImportCreate
The multipart body that starts a folder import. The CSV needs `user_guid` and `folder_path`; `released` (true, 1, yes, false, 0, no) is optional and makes new folders readable by the user. Segments split on `/`, at most 20 of 255 characters. Duplicates are dropped, unknown users skipped.
filerequiredstring (binary)- The CSV file: csv or txt, up to 10 MB, with a name of at most 255 characters (422 `max_name` above that). Download the layout from `GET /folder-imports/template`.