Make zapwall.fr in footer clickable link to home page

- Convert footer title to Link component pointing to /
- Add hover effect (neon-cyan) for consistency
- Maintains same styling

components/Footer.tsx

@@ -20,7 +20,10 @@ export function Footer() {
             </Link>
           </div>
           <div className="text-cyber-accent/50">
-            © {new Date().getFullYear()} {t('home.title')}
+            © {new Date().getFullYear()}{' '}
+            <Link href="/" className="hover:text-neon-cyan transition-colors">
+              {t('home.title')}
+            </Link>
           </div>
         </div>
       </div>