Fix indent.

src/app.module.ts

@@ -13,10 +13,10 @@ import { AccountModule } from './accounts/account.module';
 
 @NgModule({
   imports: [
-      BrowserModule,
-      UpgradeModule,
-      AccountModule
-    ]
+    BrowserModule,
+    UpgradeModule,
+    AccountModule
+  ]
 })
 
 export class AppModule {