[Schema Migration]: chapter OWASP Zhytomyr

## Migration Details

- **OWASP Entity**: chapter OWASP Zhytomyr
- **Repository**: `OWASP/www-chapter-zhytomyr`
- **Generated**: 2025-10-26

## Pull Request

- **PR Link**: https://github.com/OWASP/www-chapter-zhytomyr/pull/6

## Migration Progress

- [x] PR created
- [ ] PR reviewed
- [ ] PR merged
- [ ] Schema validation passing
- [ ] Migration complete