title: Add Whatsapp function to website, like sms, tel
body: <p>I have a website that a lot of people view on mobile.
  I have link for : Call and SMS and I want to add one for Whatsapp, so a user can click the whatsapp link I create and start a conversation with me.</p>
  
  <p>If this is possible can someone point me in the right direction on how?</p>