feat: renamed old frontend and fixed some minor bugs

frontend/src/pages/admin/layout.tsx

@@ -0,0 +1,14 @@
+import { createFileRoute, redirect } from "@tanstack/react-router";
+
+import { AdminLayout } from "@app/layouts/AdminLayout";
+
+export const Route = createFileRoute("/_authenticate/_inject-org-details/admin/_admin-layout")({
+  component: AdminLayout,
+  beforeLoad: ({ context }) => {
+    if (!context.user.superAdmin) {
+      throw redirect({
+        to: "/organization/secret-manager/overview"
+      });
+    }
+  }
+});