title: Property 'forRoot' does not exist on type 'typeof NgxJsonLdModule'
body: <p>I have installed this package <a href="https://ngxlite.com/docs/json-ld" rel="nofollow noreferrer">@ngx-lite/json-ld</a>. In an attempt to make my SEO schema.org dynamic. On importing the module as specified on this <a href="https://coryrylan.com/blog/angular-seo-with-schema-and-json-ld" rel="nofollow noreferrer">Tutorial</a> I get this error: </p>
  
  <blockquote>
    <p>ERROR in src/app/app.module.ts(18,21): error TS2339: Property 'forRoot' does not exist on type 'typeof NgxJsonLdModule'.</p>
  </blockquote>
  
  <p>Here is my app.module</p>
  
  <pre><code>import { NgtUniversalModule } from "@ng-toolkit/universal";
  import { BrowserModule } from "@angular/platform-browser";
  import { NgModule } from "@angular/core";
  
  // Third Party library
  import { NgxJsonLdModule } from "@ngx-lite/json-ld";
  
  import { AppComponent } from "./app.component";
  import { AppRoutingModule } from "./app-routing.module";
  @NgModule({
    declarations: [AppComponent],
    imports: [
       AppRoutingModule,
       NgtUniversalModule,
       NgxJsonLdModule.forRoot()
    ],
    providers: []
  })
  export class AppModule {}
  </code></pre>
  
  <p>I'm using angular 6.1.9 and Angular Universal.</p>