message: add mdx storybook file support
diff: @@ -3702,7 +3702,7 @@ export const extensions: IFileCollection = {
  icon: 'storybook',
  extensions: [],
  filenamesGlob: ['story', 'stories'],
  - extensionsGlob: ['js', 'jsx', 'ts', 'tsx'],
  + extensionsGlob: ['js', 'jsx', 'ts', 'tsx', '.mdx'],
  format: FileFormat.svg,
  },
  {
  