fix: update Snake Game live URL to Vercel deployment

- Change live demo URL from GitHub Pages to Vercel
- Update to https://classic-snake-game-phi.vercel.app/

Author: davidagustin

src/utils/constants.ts

@@ -490,7 +490,7 @@ export const PROJECTS: Project[] = [
       'A modern, responsive implementation of the classic Snake game built with cutting-edge web technologies. Features smooth 60fps gameplay, responsive controls (keyboard and touch), high score persistence, and beautiful UI/UX. Built with React 19, TypeScript, and Tailwind CSS for optimal performance and cross-platform compatibility.',
     technologies: ['React 19', 'TypeScript', 'Tailwind CSS', 'Framer Motion', 'Local Storage'],
     githubUrl: 'https://github.com/davidagustin/classic-snake-game',
-    liveUrl: 'https://classic-snake-game--davidagustin.github.app/',
+    liveUrl: 'https://classic-snake-game-phi.vercel.app/',
     icon: FaGamepad,
     category: 'Gaming',
     features: [