Add menu to toggle command palette
user
```coffeescript
'menu': [
  {
    'label': 'View'
    'submenu': [
      {
        'label': 'Toggle Command Palette'
        'command': 'command-palette:toggle'
      }
    ]
  }
  {
    'label': 'Packages'
    'submenu': [
      {
        'label': 'Command Palette',
        'submenu': [
          {
            'label': 'Toggle'
            'command': 'command-palette:toggle'
          }
        ]
      }
    ]
  }
]
```
assistant