feat: add AI agent skills option to create command

[gonengar]

Add ability to install AI agent skills (Cursor, Claude Code, etc.) during project creation. In interactive mode, users are prompted to add skills. In non-interactive mode, use --skills flag to opt-in.

Closes #91

Description

Related Issue

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactoring (no functional changes)
• Other (please describe):

Changes Made

Testing

• I have tested these changes locally
• I have added/updated tests as needed
• All tests pass (npm test)

Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (if applicable)
• My changes generate no new warnings
• I have updated AGENTS.md if I made architectural changes

Additional Notes

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[github-actions]

🚀 Package Preview Available!

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Install this PR's preview build with npm:

npm i @base44-preview/cli@0.0.15-pr.95.dae02d2

Prefer not to change any import paths? Install using npm alias so your code still imports base44:

npm i "base44@npm:@base44-preview/cli@0.0.15-pr.95.dae02d2"

Or add it to your package.json dependencies:

{
  "dependencies": {
    "base44": "npm:@base44-preview/cli@0.0.15-pr.95.dae02d2"
  }
}

• 📦 Preview Package: @base44-preview/cli@0.0.15-pr.95.dae02d2
• 🔗 View this commit on GitHub

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_{Preview published to npm registry — try new features instantly!}

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