docs(graphql-cookbook): Add the old in-memory-data just so the file will look nice

Author: Urigo

public/docs/_examples/heroes-graphql/ts/src/app/app.module.1.ts

@@ -10,6 +10,8 @@ import { HttpModule }    from '@angular/http';
 import { AppRoutingModule } from './app-routing.module';
 
 // #enddocregion v1
+import { InMemoryWebApiModule } from 'angular-in-memory-web-api';
+import { InMemoryDataService }  from './in-memory-data.service';
 
 // #docregion import-apollo
 import { ApolloModule } from 'apollo-angular';

public/docs/_examples/heroes-graphql/ts/src/app/in-memory-data.service.ts

@@ -0,0 +1,19 @@
+// #docregion , init
+import { InMemoryDbService } from 'angular-in-memory-web-api';
+export class InMemoryDataService implements InMemoryDbService {
+  createDb() {
+    let heroes = [
+      {id: 11, name: 'Mr. Nice'},
+      {id: 12, name: 'Narco'},
+      {id: 13, name: 'Bombasto'},
+      {id: 14, name: 'Celeritas'},
+      {id: 15, name: 'Magneta'},
+      {id: 16, name: 'RubberMan'},
+      {id: 17, name: 'Dynama'},
+      {id: 18, name: 'Dr IQ'},
+      {id: 19, name: 'Magma'},
+      {id: 20, name: 'Tornado'}
+    ];
+    return {heroes};
+  }
+}