title: in github, can I clone/merge branch online?
body: <p>I want to clone/merge branch for my git repository inside github, for example merge updates in <code>draft</code> branch to <code>gh-pages</code> for publish.</p>
  
  <p>And in some cases, I don't have access to command line for git command. </p>
  
  <p>Is it possible to achieve this online ?</p>