title: Creating nice dmg "installer" for Mac OS X
body: <p>I've made my first Qt application for Mac OS X. Now I want to create nice .dmg file that will allow user to easily install it. I am thinking about something like firefox has (see the picture):
  <img src="https://i.stack.imgur.com/M8P9e.png" alt="enter image description here"></p>
  
  <p>I am completly new to this, so I don't even know where to start.</p>