title: Ionic v2 how to insert a logo in header
body: <p>How can Insert a logo in header on ionic v2? </p>
  
  <pre><code>&lt;ion-header&gt;
  
    &lt;ion-navbar&gt;
      &lt;ion-title&gt;&lt;/ion-title&gt;
    &lt;/ion-navbar&gt;
  
  &lt;/ion-header&gt;
  </code></pre>