title: How can I add different menu in split timeline
body: <p>I have a timeline and split my timeline through added by two <code>&lt;article&gt;</code>. Now I want to add different menu to my split timeline.</p>
  
  <p>literally split timelines are single entity, but is there any way to add different menu to my split timeline? </p>
  
  <p>Such as split-timeline-1 add menu "add" and split-timeline-2 add menu "edit"      </p>