Chore: Updated resolvers from Class to ResolveFn

overlord/src/app/account/account.resolver.ts

@@ -0,0 +1,10 @@
+import { inject } from '@angular/core';
+import { ResolveFn } from '@angular/router';
+
+import { Account } from '../core/account';
+import { AccountService } from '../core/account.service';
+
+export const accountResolver: ResolveFn<Account> = (route) => {
+  const id = route.paramMap.get('id');
+  return inject(AccountService).get(id);
+};