feat: Add newest scripts highlighting section

[michelroegl-brunner]

Overview

This PR adds a new 'Newest Scripts' section to the Available Scripts tab that highlights the 6 most recently created scripts.

Features

• Horizontal scrollable carousel displaying the 6 newest scripts based on field
• Smart visibility logic - only shows when no filters are active to avoid duplication
• Visual distinction - subtle left border accent and Clock icon for clear identification
• NEW badges on script cards in the carousel to highlight recent additions
• Responsive design - works on mobile, tablet, and desktop
• Proper exclusion - newest scripts are excluded from main grid when carousel is visible

Technical Details

• Added logic to detect when filters are active
• Created memo to extract and sort scripts by date
• Modified to exclude newest scripts when carousel is visible
• Added horizontal scrollable carousel with proper responsive sizing
• Used Lucide React Clock icon for professional appearance
• Styled with theme-consistent colors and proper badge positioning

Testing

• ✅ TypeScript compilation passes
• ✅ No linting errors
• ✅ Responsive design verified
• ✅ Proper filter integration
• ✅ Date sorting works correctly