v0.1.0

Added

• Quota Dashboard: New /quota command to visualize Google Cloud Code model usage.
• Smart Grouping: Models automatically categorized into families (Claude, Gemini, Other).
• Visual Health Indicators: Progress bars and color coding (Green/Yellow/Red) for quick status assessment.
• Auto-Discovery: Automatically detects credentials from ~/.pi/agent/auth.json.
• Filtering: Hides internal/deprecated models and noise (like "Gemini 2.5").
• Npm Support: Fully structured as a pi-package for easy installation via pi install npm:pi-antigravity-quota.

Changed

• Refactored project structure to follow pi package conventions (extensions/ directory).