Update README.md with Bluegemma.litertlm

Resolve Issue #42: Deploy authentic Engine-ready .litertlm containers (litert-lm-builder 1.6.0)

Update iOS Model Card with 100-Language Benchmarks and Swift Examples

Resolve TranslateBlue Issue #38: Add iOS Metal GPU BlueGemma Model Card & Benchmark Specs

Update README.md with ultra-detailed Model Card, badges, Mermaid architecture, and Swift UI code

Initial Clean Release: iOS Metal GPU BlueGemma Model Package (Single-Commit LFS Purge)