alserious

Results 3 issues of alserious

Exporting non-ASCII data get issues ![image](https://github.com/user-attachments/assets/22c83403-7874-41df-a7e1-3cc4057d9850) ~~`encoding = "utf_8_sig"` added because MS Excel requires bytes signature `"\xEF\xBB\xBF"`~~ set `encoding = "utf-8"`

needs-update

1. Add an import button and a modal window for selecting a CSV file in the list page. 2. Add flags: `column_import_list`, `column_import_exclude_list`, `can_import` by default disabled. 3. If the...

before ![before](https://github.com/user-attachments/assets/4fccb46e-b085-4bc8-b140-03893c0775c1) after ![after](https://github.com/user-attachments/assets/703f87f8-2dc8-40a6-b741-2c2cc06d14f0)