Gnome sort : type hints, docstrings, doctests (#2307)
Gnome sort : type hints, docstrings, doctests (#2307)

* gnome_sort : type hints, docstring, doctests

* !Gadeimnoprstu

Co-authored-by: Christian Clauss <585dd401264c1e46d17ebec1862e5d2a9b6a6c5d@me.com>
TheAlgorithms/Python