title: How to set the default branch in Gitlab?
body: <p>I wanted to change the default branch in git repository hosted on Gitlab.</p>
  
  <p>current default is <strong>v0.1</strong>, wanted to change to <strong>master</strong>.</p>
  
  <p>v0.1 was the first branch created in repo on init.</p>
  
  <p>How can I achieve this?</p>