title: How to create branch-specific files on GitHub
body: <p>I would like to have branch-specific files with the same name. I need to be able to merge from my development branch to master without changes made in this file.</p>
  
  <p>For example:<br>
  Let's assume that I would like to have two different <code>readme.md</code> files. In one I would like to have content: <code>MASTER</code> and in another <code>DEV</code>. But if I try to do it, while creating pull-request GitHub will try to merge this file, which is exactly my problem. I don't want GitHub to merge this file each time I make changes.  </p>
  
  <p>What would be the best way to solve this problem?</p>