title: 'ng build' move scripts to subfolder
body: <p><strong>ng build</strong> exports files to dist folder as follow</p>
  
  <pre><code>index.html  
  main.bundle.js  
  styles.bundle.js  
  ...
  </code></pre>
  
  <p>I want scripts to be in subfolder</p>
  
  <pre><code>*index.html  
  scripts/main.bundle.js  
  scripts/styles.bundle.js  
  ...*
  </code></pre>
  
  <p>How can I do it?</p>