title: How to add a refresh indicator to a webview in flutter?
body: <p>I am using the official webview package in my app in order to display a webview but the problem is that I can't use the refresh indicator widget and I looked up for many solutions even issues opened on github and I got no results</p>
  <p>I will be really thankful If someone told me how can I add a scrollable widget above the webview widget without affecting the webview scrolling.</p>
  <p>Thank you for your time.</p>