Update title links & styling

Add share=True for Hugging Face Space

Duplicate from gradio-templates/leaderboard

Implement click-to-sort leaderboard using sorttable.js

Add click-to-sort functionality to leaderboard table and update styling

Fix leaderboard row backgrounds: add odd row colors and table background

Remove all background colors, let system default

Make background follow system theme using CSS variables

UI improvements: hide status message, reorder layout, adopt low-saturation colors from homepage

UI enhancements: soft colors, dark mode support, radar with 8 metrics, compact layout

Initial commit: iWorld-Bench leaderboard with full code and data