Adds docs/translations/README.uz-UZ.md and inserts an entry for 🇺🇿 Oʻzbekcha into the language navigation bar of README.md and all 27 existing translations. Co-authored-by: Javokhir Sherbaev <javokhir.sherbaev@noveogroup.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>