feat: initialize CalBook project with comprehensive scheduling, admin, and deployment infrastructure

app/(admin)/admin/backup/page.tsx

@@ -0,0 +1,7 @@
+import { BackupPanel } from "@/components/admin/backup-panel";
+
+export const dynamic = "force-dynamic";
+
+export default function AdminBackupPage() {
+  return <BackupPanel />;
+}