Update favicon to use SVG format

Switch from favicon.ico to favicon.svg for better quality scaling across all device sizes. Added apple icon support for improved iOS compatibility.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/app/layout.tsx

@@ -16,8 +16,9 @@ export const metadata: Metadata = {
   title: "Port Amador",
   description: "Premium marine equipment and services",
   icons: {
-    icon: '/favicon.ico',
-    shortcut: '/favicon.ico',
+    icon: '/favicon.svg',
+    shortcut: '/favicon.svg',
+    apple: '/favicon.svg',
   },
 };