feat(inquirerer): add alias support for questions

[pyramation]

feat(inquirerer): add alias support for questions

Summary

Adds the ability to define aliases for CLI questions, allowing users to use short flags like -w instead of --workspace. This enables defining questions like:

{
  name: 'workspace',
  type: 'confirm',
  alias: 'w'  // or alias: ['w', 'ws'] for multiple aliases
}

Changes:

• Added alias?: string | string[] property to BaseQuestion interface
• Implemented expandAliases() method that maps alias keys to question names before processing
• Updated prompt messages to show aliases: (--workspace, -w)
• Updated man page generation to display aliases in help text

Review & Testing Checklist for Human

• Verify the alias expansion logic in expandAliases() correctly prioritizes the main name over aliases when both are provided
• Test that the prompt message formatting looks correct with aliases displayed (single char gets -, multi-char gets --)
• Verify this doesn't break any existing CLI tools that depend on inquirerer

Recommended Test Plan

1. Run pnpm test in packages/inquirerer to verify all 131 tests pass
2. Build the package and test in a consuming project with a question that has an alias defined
3. Verify both -w and --workspace work when alias: 'w' is set

Notes

• This is part of a larger task to update pgpm init --createWorkspace to use --workspace with -w alias in the constructive repo (separate PR)
• The alias key is deleted from the result object after expansion to avoid confusion

Link to Devin run: https://app.devin.ai/sessions/9b39745595e74f3782f1a79ead7a6db0
Requested by: Dan Lynch (@pyramation)

[devin-ai-integration]

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