v1.0.5 - Production Checkout Fix & UI Improvements

What's New:
- Fixed Purchase Link: The "Support Detour" button now correctly directs
to the production checkout page instead of test mode
- Improved Dropdown UI: Bookmark folder selection dropdown now properly
appears above all other elements
- Better Firefox Support: Resolved several Firefox-specific compatibility
issues

What's Fixed:
- Fixed dropdown menu appearing behind the Start button during onboarding
- Fixed focus ring not properly extending to match dropdown height
- Fixed blank/empty bookmark folders appearing in the selection list
- Updated checkout URL to production LemonSqueezy link
- Resolved Firefox manifest warnings about unsupported properties
- Chrome Reading List option now properly hidden when using Firefox

Technical Improvements:
- Enhanced z-index management for proper UI layering
- Improved cross-browser compatibility
- Better handling of long bookmark folder lists with styled scrollbars