title: How to build multi dimensional array for store this?
body: <p>I want to store information like below with a key like key = activity window then other info under it, then another key etc..</p>
  
  <pre><code>key: 'activity window'
  name: 'Recent Activity'
  iconCls: 'activity'
  module: 'activity-win'
  </code></pre>
  
  <p>any idea how to put this into a multi dimensional array?</p>