feat: implement author pages, app layout, and authentication client infrastructure

src/app/(main)/(app)/layout.tsx

@@ -8,13 +8,13 @@ export const metadata: Metadata = {
     title: 'Dashboard | QR Master',
     description: 'Manage your QR Master dashboard. Create dynamic QR codes, view real-time scan analytics, and configure your account settings in one secure place.',
     robots: { index: false, follow: false },
-    icons: {
-        icon: [
-            { url: '/favicon.svg', type: 'image/svg+xml' },
-            { url: '/logo.svg', type: 'image/svg+xml' },
-        ],
-        apple: '/logo.svg',
-    },
+    icons: {
+        icon: [
+            { url: '/favicon1.png', sizes: '2048x2048', type: 'image/png' },
+        ],
+        shortcut: '/favicon1.png',
+        apple: '/favicon1.png',
+    },
 };
 
 export default function AppGroupLayout({