v0.2.0

• Full React hooks API: useShard, useUpsert, useDelete, useSearch, useQuery, useRetrieve, useScroll, useCount, useShardInfo
• Example app with 3 tabs: Basic CRUD, Emoji Similarity Search, Benchmark
• Automated Rust build on npm install / expo prebuild / native build
• Prebuilt binaries included in npm package (no Rust toolchain required)
• parking_lot::Mutex for better FFI performance
• Auto-generated C headers via cbindgen