Chore: Updated resolvers from Class to ResolveFn

overlord/src/app/product/product.resolver.ts

@@ -0,0 +1,11 @@
+import { inject } from '@angular/core';
+import { ResolveFn } from '@angular/router';
+
+import { Product } from '../core/product';
+
+import { ProductService } from './product.service';
+
+export const productResolver: ResolveFn<Product> = (route) => {
+  const id = route.paramMap.get('id');
+  return inject(ProductService).get(id);
+};