feat(rlm): npm Package RLM Bindings + WASM

## Summary
Add TypeScript bindings and WASM support for RLM in @ruvector/ruvllm.

## Tasks
- [ ] Create src/rlm/index.ts with RlmController class
- [ ] Implement query() and queryStream() methods
- [ ] Add WASM compilation target
- [ ] Export types for RlmConfig, RlmAnswer, MemorySpan