Streamline WIP workflow

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• Switch branch to WIP
• Undo WIP
• Clean up WIP commit

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For ideas, some WIP workflows

• https://github.com/bartman/git-wip
• https://taingmeng.medium.com/quick-terminal-command-to-make-a-wip-commit-b6205be0cf64
• https://gist.github.com/bkmeneguello/2c0fe08d4b10938768a7f0d8dcea8f68