Add a new app: QR code generator for campaign (#75)

* Initialize a new NX project - QR campaign

* Develop QR code generator app for campaign

* Add deployment script

Add Dockerfile, docker compose, and update Nix config for deployment

* Revert package.json to fix ci

* Revert package-lock.json to ensure ci (Nix build & cache) successful

apps/qrcampaign/src/app/admin/layout.tsx

@@ -0,0 +1,10 @@
+import { Outlet } from 'react-router-dom';
+import { RequireAdmin } from '../features/admin/components/RequireAdmin';
+
+export default function AdminLayout() {
+  return (
+    <RequireAdmin>
+      <Outlet />
+    </RequireAdmin>
+  );
+}