message: Include sourceMappingURL url
diff: @@ -333,6 +333,8 @@ export default class BundleRequest {
  if (inlineSourceMap === true) {
  const sourceMapComment = sourceMap.toComment();
  content += sourceMapComment;
  + } else {
  + content += `//# sourceMappingURL=${this.sourceMap.file}.map`;
  }
  return {
  