feat: Remove backend cookie and use frontend for auth (#6601)

frontend/plugins/app-info.client.ts

@@ -0,0 +1,14 @@
+import axios from "axios";
+import type { AppInfo } from "~/lib/api/types/admin";
+
+export default defineNuxtPlugin({
+  async setup() {
+    const { data } = await axios.get<AppInfo>("/api/app/about");
+
+    return {
+      provide: {
+        appInfo: data,
+      },
+    };
+  },
+});