VR: Lets be honest, nobody is using an xbox 360 controller or knuckles ev1 anymore VR: fix minor docs blunder VR: IsVive etc. now handled per-controller (was detecting controller type anyway before) Might be useful for anyone that likes to mix controller types (e.g. one vive controller and one knuckles) but the use case for this seems quite niche? sbox-issues/issues/994 VR: Basic internal HMD type detection VR: More HMD types, move controller type & hmd type conversion into relevant files VR: these should be internal, oops 🤦‍♂️ VR: Initial performance stats window Just basic stuff for now, will evolve over time