message: docs(theme): add links to extending
diff: @@ -82,11 +82,15 @@ This will render `SpecialLayout` layout registered in VuePress for the given pag
  ::: note
  -The theme only provides `Layout`, `404` layout. Also:
  +The theme only provides `Layout`, `404` layout.
  +
  +Also the theme:
  - Provides a `Blog` layout when the blogging feature is enabled
  - Provides a `Slide` layout when the slideshow feature is enabled
  +If you want to provide your own layout, please see [Theme Extending](../../cookbook/advanced/extend.md).
  +
  :::
  ## Customize Container Class
  