Feature: Undo / Clean Command - `universal-box clean <projectName>`

Feature Request

Is your feature request related to a problem you're trying to solve with Universal-Box? Please describe. When a user initializes a project using universal-box init, they might realize they selected the wrong template, used the wrong directory, or want to abort setup midway. Currently, there’s no built-in way to easily undo or clean up previously scaffolded files — the user must manually delete the project folder.

Describe the solution you'd like Introduce a new CLI command:

universal-box clean <projectName>

This command would:

• Safely delete the generated project folder and all its contents.
• Optionally ask for confirmation before deletion (e.g., “Are you sure you want to remove this project?”).
• Support a --force flag to skip confirmation for automation workflows.

Example usage:

universal-box clean my-app
# or
universal-box clean my-app --force

Describe alternatives you've considered

• Manually deleting folders using file explorer or shell commands.
• Adding a cleanup flag within init (but that would mix creation and deletion logic).

How would this feature improve Universal-Box? This feature adds convenience and improves developer productivity by giving users a quick way to roll back failed or incorrect scaffolds. It also makes Universal-Box safer to experiment with — users can test multiple templates and clean up with a single command.

Additional context NA