Added Using Hand Input Simulation section to GettingStartedWithTheMRTK.md document
Added Using Hand Input Simulation section to GettingStartedWithTheMRTK.md document

killerantz/HoloToolkit-Unity,killerantz/HoloToolkit-Unity,killerantz/HoloToolkit-Unity,DDReaper/MixedRealityToolkit-Unity,killerantz/HoloToolkit-Unity