Merge pull request 'docs(clawhdf5): document DType variants, fix unresolved doc links' (#17) from sdlc-docs/clawhdf5-types-20260514-165210 into main

crates/clawhdf5-ann/src/lib.rs

@@ -0,0 +1,8 @@
+//! HNSW (Hierarchical Navigable Small World) approximate nearest neighbor index.
+//!
+//! This crate implements an HNSW index that can be serialized to/from HDF5 format
+//! using the clawhdf5 stack. The index supports cosine similarity and L2 distance.
+
+mod hnsw;
+
+pub use hnsw::{DistanceMetric, HnswIndex};