title: Creating branch form cloned GitHub repository
body: <p>I have read access to a private GitHub repository. According to the instructions provided i need to clone the repository in my PC using "git clone" and the create a new branch using "git branch"
  The situation is that when I use the git branch i get the following message:</p>
  
  <p>fatal: not a git repository (or any of the parent directories): .git</p>
  
  <p>Can someone help me with this situation.</p>
  
  <p>Thank you</p>