Add Zero MP3 package

[dianjixz]

App

Zero MP3 is a lightweight local MP3 player for CardputerZero.

Package

• Package: zeromp3
• Version: 0.1.0-m5stack1
• Architecture: arm64
• Binary source: fork release manifest

Behavior

• Scans local folders such as /home/pi/Music, /media, and /mnt
• Supports playlist browsing, play/pause, previous/next, volume, repeat, and shuffle
• Uses local filesystem, keyboard input, and CardputerZero audio API
• No network access required at runtime
• No background service
• No user data upload

Assets

• Icon: zeromp3.png
• Screenshots: player.png, playlist.png

Testing

• Local package preflight passed: control fields, arm64 architecture, desktop entry, Exec/Icon package paths, icon, screenshot dimensions
• Device install test: pending maintainer/user confirmation

[github-actions]

✅ Package Validation Passed

All checks passed. Ready for maintainer review.