feat: implement app directory routing, authentication flow, and dynamic reporting module

src/app/(auth)/layout.tsx

@@ -0,0 +1,7 @@
+export default function AuthLayout({ children }: { children: React.ReactNode }) {
+  return (
+    <div className="min-h-screen bg-[#F4F6FB] dark:bg-[#0B0F19]">
+      {children}
+    </div>
+  );
+}