Google docs provides a nice interface for creating documents. Sometimes, however, it tries to anticipate what you're trying to do.

I find it very annoying when it starts indenting bullets, lists by itself.
Sometimes I want to add additional information in between the list items.
I can press SHIFT+ENTER and am able to type between the items but when I add a new item the numbering doesn't continue.

How to turn auto indentation off in Google docs

Open the document and wait for Google docs to fully load. Then go to

Tools > Preferences > Uncheck Automatically detect lists checkbox.

Here's a video how to fix it.