Feature Request: Diacritic-Insensitive (Accent-Insensitive) Search

Feature Request: Diacritic-Insensitive (Accent-Insensitive) Search: a task in LegoFlow-SWE (Harbor dataset). Observed behavior: - Searching cerna does not find Černá - Searching černá does not find Černá - Searching cerná or černa does not find Černá