old_contents: import countdownTimer from './countdown_timer/main'
  import firebaseLogin from './firebase_login/main'
  import view from './view'
  import {Observable} from 'rx'
  
  export default function main ({DOM}) {
    const facebookLogin = firebaseLogin(DOM)
    const pomodoroTimer = countdownTimer({
      DOM,
      props$: Observable.just({
        startTimeMinutes: 0.05
      })
    },
    'pomodoro-timer')
  
    const vtree$ = view(
      facebookLogin.DOM,
      pomodoroTimer.DOM
    )
  
    return {
      DOM: vtree$,
      notification: pomodoroTimer.notification
    }
  }
  
new_contents: import countdownTimer from './countdown_timer/index'
  import firebaseLogin from './firebase_login/main'
  import view from './view'
  import {Observable} from 'rx'
  
  export default function main ({DOM}) {
    const facebookLogin = firebaseLogin(DOM)
    const pomodoroTimer = countdownTimer({
      DOM,
      props$: Observable.of({
        startTimeMinutes: 0.05
      })
    })
  
    const vtree$ = view(
      facebookLogin.DOM,
      pomodoroTimer.DOM
    )
  
    return {
      DOM: vtree$,
      notification: pomodoroTimer.notification
    }
  }
  
subject: Update to reflect new MVI structure