Documentation updates: - Fix v0.1.0 → v1.1.0 version numbers in en, ru, fa, zh docs - Add missing Window Functions, Multi-Tenant ERP, Supported Keywords sections to ru, fa, zh baraql.md (~105 lines each) - Expand Turkish and Arabic baraql.md (110 → 268 lines) - Expand Turkish and Arabic installation.md (62 → 307 lines) - Add new Bulgarian documentation files (18 new files) Client updates: - Python: Full async/await rewrite with asyncio, request queueing - Rust: Full async/await rewrite with tokio, async examples - Nim: Update README to v1.1.0 - All clients now support async patterns consistently