compatible isort config: mention profile first (#2180)
compatible isort config: mention profile first (#2180)

Change the order of possible ways to configure isort:
1. using the profile black
2. custom configuration

Formats section:
change the examples to use the profile black

Co-authored-by: Richard Si <f10d7f4c5465310f623064c3d6ea100b410f64a5@users.noreply.github.com>
psf/black