code: def start(name):
      # type: (str) -> None
      
      branch = git.current_branch(refresh=True)
      task_branch = 'task/' + common.to_branch_name(name)
  
      if branch.type not in ('feature', 'hotfix'):
          log.err("Task branches can only branch off <33>feature<32> or "
                  "<33>hotfix<32> branches")
          sys.exit(1)
  
      common.git_checkout(task_branch, create=True)
docs: Start working on a new feature by branching off develop.
  
      This will create a new branch off develop called feature/<name>.
  
      Args:
          name (str):
              The name of the new feature.