Vector indexing and search for [IssunDB](https://github.com/IssunDB/issun-db).
This crate provides features like the vector index abstraction, vector metadata, vector storage integration, and the vector search APIs.
It is an internal crate; applications should use the API provided by [`issundb`](https://crates.io/crates/issundb), instead of directly using this
crate.
MIT or Apache-2.0.