default List<DocFormat> docFormats(DocSettings settings) {
        return List.of();
    }
Adds {@link DocFormat}s to the list of supported formats.

<p>When resolving the format implementation, the first format found with a
matching name will be used. Use {@link #priority} to adjust which integration
is seen first.

@param settings The documentation generation settings.
@return A list of formats to add.
smithy-docgen/src/main/java/software/amazon/smithy/docgen/DocIntegration.java