Build utilities for ReifyDB target detection.

This crate provides a single function to emit the reifydb_target cfg based on the compilation target. Add this crate as a build-dependency and call emit_target_cfg() from your build.rs.

Supported Targets

• native - Default for non-WASM targets
• wasm - For wasm32-unknown-unknown (JS-WASM) targets
• wasi - For wasm32-wasip1 (WASI) targets
• dst - (Future) Deterministic software testing