Add the note application Katana v1.1.1
user
```ruby
class Katana < Cask
  version '1.1.1'
  sha256 'cac0091f63a0281f6f95f609e04455db98f915f4e1f40a575e822208b3265eae'

  url 'http://download.witiz.com/Katana.zip'
  homepage 'http://katana.witiz.com/'

  link 'Katana.app'
end
```
assistant