title: How can I specify a branch folder of a monorepo when deploying an Amplify app using the CDK?
body: <p>Currently using the aws console is simple:
  <a href="https://i.stack.imgur.com/vhhBW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/vhhBW.png" alt="add repo folder using aws console" /></a></p>
  <p>But I can't find the way to do it using the CDK.</p>