```coffeescript
'menu': [
  'label': 'Edit'
  'submenu': [
    'label': 'Select Grammar'
    'command': 'grammar-selector:show'
  ]
]
```

Add change item to editor context menu
user
```coffeescript
'menu': [
  'label': 'Edit'
  'submenu': [
    'label': 'Select Grammar'
    'command': 'grammar-selector:show'
  ]
]

'context-menu':
  '.overlayer': [
    'label': 'Change Grammar'
    'command': 'grammar-selector:show'
  ]
```
assistant