sed -i '/imports../,/),/ { /[^(,]$/ s//&,n    '''NewModule'''/ }' ./target/src/app/app.module.ts

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [,
    'NewModule'
    BrowserModule,
    'NewModule'
  ],
  providers: [],
  bootstrap: [AppComponent],
    'NewModule'
}),
    'NewModule'
export class AppModule { },
    'NewModule'

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    NewModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }