`libduck` provides quality-of-life features for [duckdb-rs](https://github.com/duckdb/duckdb-rs). See doc comments in `lib.rs` for details.

## TODO:

- `CAST(? AS JSON)` hack docs, feature, and example
- features (utoipa, url, etc)
- tests
  - simple struct, all types
  - u8/blob
  - json
  - option json and blob (Option must be external)
  - nested structs
  - string enums
  - arc json, arc blob (repeated nesting)
- docstring examples (from tests)