message: chore(getting-started): doc updated
diff: @@ -15,25 +15,25 @@ npm install ng2-bootstrap bootstrap --save
  Open the module file where you want to include ng2-bootstrap (most probably `app.module.ts`) and import either specific ng2-bootstrap modules by listing them in the import statement and then in the import array of the Angular 2 module
  ```typescript
  -import { AlertModule, ModalModule } from 'ng2-bootstrap/ng2-bootstrap';
  +import { AlertModule, ModalModule } from 'ng2-bootstrap';
  ...
  @NgModule({
  ...
  - imports: [AlertModule, ModalModule, ... ],
  + imports: [AlertModule.forRoot(), ModalModule.forRoot(), ... ],
  ...
  })
  ```
  - or use Ng2BootstrapModule to import all of the modules at once:
  + or use Ng2BootstrapModule (**NOT RECOMMENDED**) to import all of the modules at once:
  ```typescript
  -import { Ng2BootstrapModule } from 'ng2-bootstrap/ng2-bootstrap';
  +import { Ng2BootstrapModule } from 'ng2-bootstrap';
  ...
  @NgModule({
  ...
  - imports: [Ng2BootstrapModule, ... ],
  + imports: [Ng2BootstrapModule.forRoot(), ... ],
  ...
  })
  ```
  