feat: Add getChildren function to DataAccessor interface

DataAccessors are now no longer responsible for generating ldp:contains triples.

src/ldp/representation/RepresentationMetadata.ts

@@ -63,7 +63,7 @@ export class RepresentationMetadata {
   public constructor(contentType?: string);
 
   /**
-   * @param overrides - Metadata values (defaulting to content type if a string)
+   * @param metadata - Metadata values (defaulting to content type if a string)
    */
   public constructor(metadata?: RepresentationMetadata | MetadataRecord | string);