Added a function that checks if given string can be rearranged to form a palindrome. (#2450)

* Added check_if_string_can_be_rearranged_as_palindrome function.

* Added counter implementation and benchmark function.

* flake changes

* Update and rename check_if_string_can_be_converted_to_palindrome.py to can_string_be_rearranged_as_palindrome.py

* Update can_string_be_rearranged_as_palindrome.py

* #

Co-authored-by: svedire <VedireSusmith_Reddy@intuit.com>
Co-authored-by: Christian Clauss <cclauss@me.com>