Taken from:
https://github.com/jeetsukumaran/vim-indentwise?tab=readme-ov-file#movements-by-relative-indent-depth
> [- : Move to previous line of lesser indent than the current line.
> [+ : Move to previous line of greater indent than the current line.
> [= : Move to previous line of same indent as the current line that is
separated from the current line by lines of different indents.
> ]- : Move to next line of lesser indent than the current line.
> ]+ : Move to next line of greater indent than the current line.
> ]= : Move to next line of same indent as the current line that is
separated from the current line by lines of different indents.
Release Notes:
- vim: Added indent-wise motions `] -/+/=`