Add support for AirDC++

[gunnarrt]

Describe the solution you'd like A clear and concise description of what you want to happen.

Support for downloading movies with the DirectConnect protocol

Use airdcpp-webclient as an alternative to usenet and bittorrent

https://github.com/airdcpp-web/airdcpp-webclient

https://github.com/airdcpp/airdcpp-webapi