As we know from Chapter 2, Looking Around, each new Component must be referenced in the AppModule so that it can be registered within our app. On top of that, we need to create the relevant entry within our RoutingModule configuration so that our users will be able to navigate to that page.
Open the /ClientApp/src/app/app.module.ts file and add the following highlighted lines:
import { BrowserModule } from '@angular/platform-browser';import { NgModule } from '@angular/core';import { FormsModule } from '@angular/forms';import { HttpClientModule, HTTP_INTERCEPTORS } from '@angular/common/http';import { RouterModule } from '@angular/router';import { AppComponent } from './app.component';import { NavMenuComponent } from './nav-menu/nav-menu.component'; ...