README: Add KeepTruckin to the list of orgs (GH-2638)
README: Add KeepTruckin to the list of orgs (GH-2638)

At KT, we used Black to format all Python code in our Mono-repo.

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