VoIP warning: sort + mention Zoom (#1817)

Co-authored-by: dngray <[email protected]>

_includes/sections/voice-video-messenger.html

@@ -1,7 +1,7 @@
 <h1 id="voip" class="anchor"><a href="#voip"><i class="fas fa-link anchor-icon"></i></a> Video/Voice Calling</h1>
 
 <div class="alert alert-warning" role="alert">
-  <strong>If you are currently using a Video/Voice Calling app like Skype, Viber or Google Hangouts, you should pick an alternative here.</strong> Please note that many of the above instant messengers also support <span class="badge badge-success">VoIP</span>. The software listed below are <em>primarily</em> Voice/Video focused.
+  <strong>If you are currently using a Video/Voice Calling app like Google Hangouts, Skype, Viber or <a href="https://blog.privacytools.io/protecting-your-privacy-while-using-zoom-at-home/">Zoom</a>, you should pick an alternative here.</strong> Please note that many of the above instant messengers also support <span class="badge badge-success">VoIP</span>. The software listed below are <em>primarily</em> Voice/Video focused.
 </div>
 
 {% include cardv2.html