title: Twilio Flex Plugin how to add new tab with custom route
body: <p>I am using Twilio Flex plugin to customize flex ui in react js.
  I want to add one custom link in a sidebar with a new custom component with new route URL like '/shops'.</p>
  
  <p>After loading that component in that body i want to load custom shop.
  Check the following screen for more details.
  <a href="https://i.stack.imgur.com/7V1Se.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7V1Se.jpg" alt="enter image description here"></a></p>
  
  <p>Thanks in advance for a help.</p>