message: fix: wrap json examples in code tag
diff: @@ -4,7 +4,9 @@ export function jsonToHTML(json, maxExpandLevel) {
  level = 1;
  let output = '';
  output += '<div class="redoc-json">';
  + output += '<code>';
  output += valueToHTML(json, maxExpandLevel);
  + output += '</code>';
  output += '</div>';
  return output;
  }
  