Ability to automatically insert an opening curly bracket with proper indentation, without needing to press <CR>

[MonsieurTib]

Is your feature request related to a problem? Please describe.
I'm trying to automatically add a closing curly bracket with proper indentation and a new line, without needing to press CR

Describe the solution you'd like
{
    |
}
after a '{' press, without needing to press CR

Describe alternatives you've considered
I tried using a custom rule with the replace_endpair method, but the cursor ends up positioned after the closing curly bracket.

[windwp]

I think you need to use replace_map_cr function