code: public StringBuffer markdown(Schema sinput, Schema soutput) {
      MarkdownBuilder builder = new MarkdownBuilder();
      builder.comment("Preview with http://jbt.github.io/markdown-editor");
      builder.heading1(_http_method, _url);
      builder.hline();
      builder.paragraph(_summary);
      // parameters and output tables
      builder.heading1("Input schema: ");
      builder.append(sinput .markdown(true ,false));
      builder.heading1("Output schema: ");
      builder.append(soutput.markdown(false, true));
      return builder.stringBuffer();
    }
docs: Generate Markdown documentation for this Route.