Feature request: Add an empty line when pressing Enter (and the cursor is in between two brackets)

[hatemets]

This is a feature present in VSCode. It enables the user to instantly start typing (without having to create the empty line themselves) after pressing Enter.

Here's an example:

Initial cursor position (pipe represents the cursor):
{|}

1. After pressing Enter in insert mode, this happens
   

2. The desired effect would be as follows:
   

This would be a really useful feature that would benefit especially those who write a lot of CSS.

[chemzqm]

:h coc#on_enter()