[issue35020] Add multisort recipe to sorting docs

[Karthikeyan Singaravelan]

Change by Karthikeyan Singaravelan <tir.karthi at gmail.com>:


----------
keywords: +patch
pull_requests: +9302
stage:  -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35020>
_______________________________________