view data fixes

apps/website/lib/view-models/OnboardingViewModel.ts

@@ -1,5 +1,22 @@
 import { ViewModel } from "../contracts/view-models/ViewModel";
 
-export interface OnboardingViewModel extends ViewModel {
+/**
+ * ViewData for Onboarding
+ * This is the JSON-serializable input for the Template.
+ */
+export interface OnboardingViewData {
   isAlreadyOnboarded: boolean;
+}
+
+export class OnboardingViewModel extends ViewModel {
+  private readonly data: OnboardingViewData;
+
+  constructor(data: OnboardingViewData) {
+    super();
+    this.data = data;
+  }
+
+  get isAlreadyOnboarded(): boolean {
+    return this.data.isAlreadyOnboarded;
+  }
 }