Support for (older) Steam Controller

[CillyCil]

Steam Controller uses a dongle to connect wirelessly and would be a neat controller to use with a 360

[EinTim23]

Hey, so we can add support for the steam controller at some point follow the same procedure as in #25. We need the vendor id, product id and a capture of the USB packets of the controller.

[CillyCil]

Vendor ID: 28DE
Device ID: 1142

steamcontroller.zip (has pcap inside)

[EinTim23]

Should be supported with v0.6-beta