docs(angular-query): Update quick-start.md (#6775)

* angular-query: Update quick-start.md

Some minor fixes to update the quick start example to a version which would actually compile

* docs(angular-query): add QueryClient import

---------

Co-authored-by: Lachlan Collins <1667261+lachlancollins@users.noreply.github.com>

Author: michaelbe812

docs/framework/angular/quick-start.md

@@ -12,8 +12,11 @@ If you're looking for a fully functioning example, please have a look at our [ba
 ### Provide the client to your App
 
 ```ts
+import {provideHttpClient} from '@angular/common/http';
+import {provideAngularQuery, QueryClient} from '@tanstack/angular-query-experimental'
+
 bootstrapApplication(AppComponent, {
-  providers: [provideAngularQuery(new QueryClient())],
+  providers: [provideHttpClient(), provideAngularQuery(new QueryClient())],
 })
 ```
 
@@ -45,6 +48,7 @@ import {
   `,
 })
 export class TodosComponent {
+  todoService = inject(TodoService)
   queryClient = injectQueryClient()
 
   query = injectQuery(() => ({