If you are in the process of writing a novel and you prefer using Google Docs, here is how to format your manuscript to look more like a book.

To add a heading in Google Docs, highlight the text you want to turn into a heading, select Format > Paragraph Styles, and select a heading. There are six heading styles to choose from. Use Heading 1 ...

Adjusting your margins in Google Docs is easy once you know how. In this guide, we'll show you how to change margins in Google Docs a few different ways.

As I mentioned, this isn't Google Docs adding full markdown support. Text is converted to Docs' native formatting immediately, meaning there's no way to edit the text in markdown after that.