feat: update to Angular 8, Nebular 4 (#2114)

src/app/pages/layout/layout-routing.module.ts

@@ -0,0 +1,58 @@
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+
+import { LayoutComponent } from './layout.component';
+import { Tab1Component, Tab2Component, TabsComponent } from './tabs/tabs.component';
+import { AccordionComponent } from './accordion/accordion.component';
+import { InfiniteListComponent } from './infinite-list/infinite-list.component';
+import { ListComponent } from './list/list.component';
+import { StepperComponent } from './stepper/stepper.component';
+
+const routes: Routes = [{
+  path: '',
+  component: LayoutComponent,
+  children: [
+    {
+      path: 'stepper',
+      component: StepperComponent,
+    },
+    {
+      path: 'list',
+      component: ListComponent,
+    },
+    {
+      path: 'infinite-list',
+      component: InfiniteListComponent,
+    },
+    {
+      path: 'accordion',
+      component: AccordionComponent,
+    },
+    {
+      path: 'tabs',
+      component: TabsComponent,
+      children: [
+        {
+          path: '',
+          redirectTo: 'tab1',
+          pathMatch: 'full',
+        },
+        {
+          path: 'tab1',
+          component: Tab1Component,
+        },
+        {
+          path: 'tab2',
+          component: Tab2Component,
+        },
+      ],
+    },
+  ],
+}];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule],
+})
+export class LayoutRoutingModule {
+}