Create cask for Geo Sans Light font
user
```ruby
class FontGeoSansLight < Cask
  url 'http://img.dafont.com/dl/?f=geo_sans_light'
  homepage 'http://www.dafont.com/geo-sans-light.font'
  version 'latest'
  sha1 'no_checksum'
  font 'GeosansLight-Oblique.ttf'
  font 'GeosansLight.ttf'
end
```
assistant