Visit your project page.
Next to the Branches label, a drop-down button for each branch is displayed, plus an Add Branch button.
Click the Add Branch link to display the branch drop-down dialog:
Type in a short Name for your branch.
Type in one or more branch Paths, one per line.
Click the Done button to accept your branch specification.
Click Save to save the branch changes to your project.
The project name does not need to be included in the branch name; Swarm displays the project name with the branch name when appropriate.
Click the branch drop-down button you want to edit.
Revise the Name or Paths as required.
Click the branch drop-down button you want to remove.