Goals become one-line aims, their detail moves to the sections that meet them

src/index.ts

@@ -1,3 +1,4 @@
+// Export only the conversions, their types, isAdfDocument and what checking a README guarantee needs.
 export type { AdfAttributes, AdfDocument, AdfMark, AdfNode } from './adf/document.ts'
 export type { ConvertError, ConvertErrorCode, ConvertErrorPath, ParseError, Result, SourcePosition } from './result.ts'
 export type { JsonValue } from './json-value.ts'