Add DigitalOcean Droplets Manager 0.1
user
```ruby
class Dropletsmanager < Cask
  url 'https://dl.dropboxusercontent.com/u/115750/files/DropletsManager0.1.zip'
  homepage 'https://github.com/deivuh/DODropletManager-OSX'
  version '0.1'
  sha256 '632e608d9dfa926166a8471c60609f104f3ad0b07048fbfb2bb323c9adae8e85'
  link 'DropletsManager.app'
end
```
assistant