• chore: bump version to 0.4.0
• chore: update dependencies and configuration for Vite integration
• feat: implement UI internationalization (i18n) support with Japanese localization (#18)
• feat(extension): improve site detection and user interface for unsupported websites - Enhanced popup interface to better inform users about unsupported sites, including updated icons and contact information.
• feat(extension): display supported sites when clicking icon on unsupported websites - Add popup interface with smart site detection, official platform icons, contact info, and responsive design - Closes #17