Add reset-install command to remove your existing install.

[robinjhuang]

Will help developers when they are testing various scenarios.

Deletes the extra_models_config.yaml and optionally will delete the chosen base path as well.

(base) junhanhuang@Robins-M1Pro electron  (rh-install) % yarn reset-install
Successfully removed /Users/junhanhuang/Library/Application Support/ComfyUI/extra_models_config.yaml
Found ComfyUI installation directory at: /Users/junhanhuang/Desktop/ComfyUI
Would you like to delete this directory as well? (y/N): y
Successfully removed ComfyUI directory at /Users/junhanhuang/Desktop/ComfyUI

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Flag	Coverage Δ
unittests	60.66% <ø> (ø)

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