'menu': [
  {
    'label': 'Packages'
    'submenu': [
      'label': 'Open On GitHub'
      'submenu': [
        { 'label': 'Blame', 'command': 'open-on-github:blame' }
        { 'label': 'Branch Compare', 'command': 'open-on-github:branch-compare' }
        { 'label': 'Copy URL', 'command': 'open-on-github:copy-url' }
        { 'label': 'File', 'command': 'open-on-github:file' }
        { 'label': 'File on Master', 'command': 'open-on-github:file-on-master' }
        { 'label': 'History', 'command': 'open-on-github:history' }
        { 'label': 'Issues', 'command': 'open-on-github:issues' }
        { 'label': 'Pull Requests', 'command': 'open-on-github:pull-requests' }
        { 'label': 'Repository', 'command': 'open-on-github:repository' }
      ]
    ]
  }
]