File Uploads with Angular and RxJS

app.module.ts.diff

+import { NgbProgressbarModule } from '@ng-bootstrap/ng-bootstrap';

@NgModule({
    declarations: [
        AppComponent,
        FilesComponent,
        UploadComponent
    ],
    imports: [
        BrowserModule,
        HttpClientModule,
+       NgbProgressbarModule,
        NgxFileDropModule
    ],
    bootstrap: [AppComponent]
})
export class AppModule { }