message: docs(docs-infra): add missing decorator in tutorial step
  PR Close
diff: // #docregion import-http
  -import { Injectable } from '@angular/core';
  import { HttpClient } from '@angular/common/http';
  // #docregion props
  import { Product } from './products';
  +import { Injectable } from '@angular/core';
  // #enddocregion props, import-http
  +// #docregion props, methods, inject-http, get-shipping
  @Injectable({
  providedIn: 'root'
  })
  -// #docregion props, methods, inject-http, get-shipping
  export class CartService {
  // #enddocregion get-shipping
  items: Product[] = [];
  