Angular Nebular component html

//app.component.html
<nb-layout>
  <nb-layout-header fixed> Oribi App </nb-layout-header>

  <nb-sidebar>
    <nb-menu [items]="items"></nb-menu>
  </nb-sidebar>

  <nb-layout-column>
    <router-outlet></router-outlet>
  </nb-layout-column>

  <nb-layout-footer fixed>
    Copyright 2020 and other footer stuff
  </nb-layout-footer>
</nb-layout>