docs: public static Extension makeIssueSource(Source source) {
      Extension ex = new Extension();
      // todo: write this up and get it published with the pack (and handle the redirect?)
      ex.setUrl(ToolingExtensions.EXT_ISSUE_SOURCE);
      CodeType c = new CodeType();
      c.setValue(source.toString());
      ex.setValue(c);
      return ex;
    }