app component structure

app.component.html

<div class="container-fluid main-container">
  <div class="row stage-area">
    <div class="col col-lg-2 col-md-3sidebar-block">
      <vr-list [modules]="availableModules | async" (vrModuleSelected)="onVrModuleSelected($event)"></vr-list>
    </div>
    <div class="col col-lg-10 col-md-9 three-dee-area">
      <router-outlet></router-outlet>
    </div>
  </div>
</div>
 <footer class="footer pull-left">
    <div class="container">
        <p class="text-muted">{{activeVrModule?.name}}</p>
      </div>
  </footer>