path old

RouterModule.forChild([
      {
        path: '',
        redirectTo: 'header',
        pathMatch: 'full'
      },
      {
        path: 'header', component: HeaderComponent, children: [
          {
            path: '',
            redirectTo: 'home',
            pathMatch: 'full'
          },
          { path: 'home', component: HomeComponent },
          { path: 'event/:id', component: EventComponent },
        ........
      },