Prints a collection's frontmatter schema.
Usage
mix cherry.schema COLLECTION [--json]Lists every field with its type, whether it is required, its default, and its documentation. Agents: run this before writing content files — the schema is the contract your frontmatter must satisfy.
Summary
Functions
@spec doc() :: String.t()
The single-sourced doc text, reused as the mix task's @moduledoc.