Changelogs:
* Fix: 41 list related blocks (`to_do`, `numbered_list_item`, `bulleted_list_item`) were rendering with extra empty space.
* Fix: In the toggle, the first child's indentation is incorrect.
* Response markdown object from `pageToMarkdown` method now contains extra property called `type`.
<img width="350" alt="image" src="https://user-images.githubusercontent.com/64456160/177749226-469ed6af-c3aa-48c2-9815-a1f6e4802e4d.png">