Support for haptic pulse / force feedback

[grrrwaaa]

Would be great to have this in the Cinder::vr::Controller class.

OpenVR: vr::TriggerHapticPulse (https://github.com/ValveSoftware/openvr/wiki/IVRSystem::TriggerHapticPulse) Oculus: ovr_SubmitControllerVibration (https://developer3.oculus.com/documentation/pcsdk/latest/concepts/dg-input-touch-haptic/)

I know the interfaces are quite different, but there must be a minimum overlap of functionality that would be useful to expose.

I could take a shot at it, but don't have Oculus Touch devices to test with.