added scale teleport classes, added buttons to IMC

Content/Components/Movement/Scale/BP_ScalingComponent.uasset

Content/Components/Movement/Scale/IA_Grow.uasset

Content/Components/Movement/Scale/IA_ResetScale.uasset

Content/Components/Movement/Scale/IA_Shrink.uasset

Content/Input/Default_IMC/IMC_MovementLeftHand.uasset

Content/Input/Default_IMC/IMC_MovementRightHand.uasset

.../Private/Pawn/Navigation/HeightTeleportationComponent.cpp

...WTHVRToolkit/Private/Pawn/Navigation/ScalingComponent.cpp

...kit/Public/Pawn/Navigation/HeightTeleportationComponent.h

...e/RWTHVRToolkit/Public/Pawn/Navigation/ScalingComponent.h

...VRToolkit/Public/Pawn/Navigation/TeleportationComponent.h

Source/RWTHVRToolkit/RWTHVRToolkit.Build.cs