title: open multiple tabs within one webview
body: <p>I want to open multiple tabs within one <strong>webview</strong>. I can manage to load one url at a time. I am understanding that i have to customized my <strong>webview</strong>  to do so. Is it possible, like as my below picture ? </p>
  
  <p>Any suggestion , tutorial or guideline is appreciated. 
  <a href="https://i.stack.imgur.com/awUCB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/awUCB.png" alt="enter image description here"></a></p>