title: how to Add timeout for WKWebview
body: <p>How to write a timeout handler for <code>WKWebView</code>, when default delegates are not getting called for <code>didFailNavigation</code>.</p>
  
  <p><code>WKWebView</code> delegate are set &amp; <code>DidFinishNavigation</code> or <code>didFailProvisionalNavigation</code> is getting called.</p>