chore: import upstream snapshot with attribution

apps/webapp/app/routes/admin.back-office.tsx

@@ -0,0 +1,18 @@
+import { Outlet } from "@remix-run/react";
+import { typedjson } from "remix-typedjson";
+import { dashboardLoader } from "~/services/routeBuilders/dashboardBuilder";
+
+export const loader = dashboardLoader({ authorization: { requireSuper: true } }, async () => {
+  return typedjson({});
+});
+
+export default function BackOfficeLayout() {
+  return (
+    <main
+      aria-labelledby="primary-heading"
+      className="flex h-full min-w-0 flex-1 flex-col overflow-y-auto px-4 pb-4 lg:order-last"
+    >
+      <Outlet />
+    </main>
+  );
+}