overflow-webapp/src/app/app-routing.module.ts

import { NgModule } from '@angular/core';
import { Routes, RouterModule } from '@angular/router';

const routes: Routes = [
  { path: '', loadChildren: './pages/pages.module#PagesModule' },
  { path: 'auth', loadChildren: './pages/auth/auth.module#AuthModule' },
];

@NgModule({
  imports: [RouterModule.forRoot(routes, {useHash: true})],
  exports: [RouterModule]
})
export class AppRoutingModule { }