sysutils/py-keep: new port

keep is a Meta CLI Toolkit that provides a personal shell command
keeper with some useful features:

• Save a new command with a brief description
• Search the saved commands using powerful patterns
• Save the commands as a secret GitHub gist
• Use keep push and keep pull to sync the commands between GitHub gist and other computers.

WWW: https://github.com/OrkoHunter/keep

PR: 265933