Initial release of Per-Tab Volume Controller extension.

This extension allows you to control volume levels for individual browser tabs and remember settings per website.

Features include:
• Adjust volume per tab with a simple slider interface
• Fine-tune audio with 0.1% precision increments
• Automatically remember volume settings for each website
• Context menu integration for quick access
• Clean, modern dark theme interface
• Debug mode for troubleshooting

Perfect for managing multiple video tabs with different volume needs, setting lower volumes for music while keeping videos loud, and creating consistent audio experiences across your favorite sites.