Summary: v0 adds Supabase and AI Chat templates

Why It Matters: The platform is expanding its library of ready-made starters. This makes it easier for developers to build functional apps with popular backends and chat interfaces quickly.

What Changed:

• Added "Supabase Community Starter" to the featured templates.
• Added "Ai Chat Interface" template.
• Added "Streamline Landing Page" template.
• Added "Hero Geometric Background" template.
• Updated view counts and usage stats for existing templates like "Opus landing page."
• Removed the "File Explorer" and "Refactor Preview" UI elements from the bottom of the homepage.