title: How to create a BindingSeq[T] from a Binding[Seq[T]]
body: <p>I have a Binding[Seq[T]].</p>
  
  <p>I want to create a BindingSeq[T] in a way that, whenever I change the Seq the BindingSeq will change in the same way.</p>
  
  <p>How can I do this?</p>