[KMPAY-416][Gateway selector v2] Move management script to library#2

Nicomendia wants to merge 6 commits intomainThink-and-Dev/python-library-poc:mainfrom

KMPAY-416-GSv2-move-manage-script-to-libraryThink-and-Dev/python-library-poc:KMPAY-416-GSv2-move-manage-script-to-libraryCopy head branch name to clipboard