chore: Nuxt 4 upgrade (#7426)

frontend/app/lib/api/user/user-registration.ts

@@ -0,0 +1,14 @@
+import { BaseAPI } from "../base/base-clients";
+import type { CreateUserRegistration } from "~/lib/api/types/user";
+
+const prefix = "/api";
+
+const routes = {
+  register: `${prefix}/users/register`,
+};
+
+export class RegisterAPI extends BaseAPI {
+  async register(payload: CreateUserRegistration) {
+    return await this.requests.post<any>(routes.register, payload);
+  }
+}