Support `gc` vim motion for toggling comments

[TheJolman]

Description

Hi guys, modern version of Neovim and at least a few Vim emulators (VSCode Vim for example) now support the very convenient gc motion for toggling comments.

Suggested solution

• gcc for just the current line
• gc2j for the current line and two extra lines below
• etc.

Alternative

No response

Additional context

No response

[mscolnick]

hi @TheJolman, it might be better to have this supported upstream https://github.com/replit/codemirror-vim/. do you mind also filing the issue there?