Document type-based callable declarations and built-in callback contracts Rename the callable declaration syntax to `type Name(...) ReturnType;` with its `export` / `declare` variants across the language and API pages, note that ambient `declare type` contracts are visible to every module, and list the built-in callback contracts used by Array, String, HashMap and http members.
Document lightweight block imports and direct CLR property exports
Call NativeTypes script native types and fs/http extension packages. Keep NativePackages as the API name; after import they are still modules.