add FormsModule

import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';

import { HomeComponent } from './home/home.component';

@NgModule({
  imports: [
    .
    .
    .
    FormsModule,
    .
    .
    .
  ],
  declarations: [
    .
    .
    .
    HomeComponent
    .
    .
    .
  ]
  bootstrap: [AppComponent]
})
export class AppModule {
 .
 .
 .
}