title: What is the purpose of ng eject?
body: <p>The <a href="https://github.com/angular/angular-cli/wiki/eject" rel="noreferrer">documentation</a> is very brief with this topic:</p>
  
  <blockquote>
    <p><code>ng eject</code> ejects your app and output the proper webpack configuration
    and scripts</p>
  </blockquote>
  
  <p>What is the purpose of this command?</p>