```coffeescript
'.platform-darwin .image-view':
  'cmd-+': 'image-view:zoom-in'
  'cmd-=': 'image-view:zoom-in'
  'cmd--': 'image-view:zoom-out'
  'cmd-_': 'image-view:zoom-out'
  'cmd-0': 'image-view:reset-zoom'

'.platform-win32 .image-view':
  'ctrl-+': 'image-view:zoom-in'
  'ctrl-=': 'image-view:zoom-in'
  'ctrl--': 'image-view:zoom-out'
  'ctrl-_': 'image-view:zoom-out'
  'ctrl-0': 'image-view:reset-zoom'

'.platform-linux .image-view':
  'ctrl-+': 'image-view:zoom-in'
  'ctrl-=': 'image-view:zoom-in'
  'ctrl--': 'image-view:zoom-out'
  'ctrl-_': 'image-view:zoom-out'
  'ctrl-0': 'image-view:reset-zoom'
```

Add keybindings for "zoom to fit"
user
```coffeescript
'.platform-darwin .image-view':
  'cmd-+': 'image-view:zoom-in'
  'cmd-=': 'image-view:zoom-in'
  'cmd--': 'image-view:zoom-out'
  'cmd-_': 'image-view:zoom-out'
  'cmd-9': 'image-view:zoom-to-fit'
  'cmd-0': 'image-view:reset-zoom'

'.platform-win32 .image-view':
  'ctrl-+': 'image-view:zoom-in'
  'ctrl-=': 'image-view:zoom-in'
  'ctrl--': 'image-view:zoom-out'
  'ctrl-_': 'image-view:zoom-out'
  'ctrl-9': 'image-view:zoom-to-fit'
  'ctrl-0': 'image-view:reset-zoom'

'.platform-linux .image-view':
  'ctrl-+': 'image-view:zoom-in'
  'ctrl-=': 'image-view:zoom-in'
  'ctrl--': 'image-view:zoom-out'
  'ctrl-_': 'image-view:zoom-out'
  'ctrl-9': 'image-view:zoom-to-fit'
  'ctrl-0': 'image-view:reset-zoom'
```
assistant