Moving the cluster folder to its own module and fixing the redirects in DoorOverlay

Content/CAVEOverlay/DoorOverlay.uasset

RWTHVRToolkit.uplugin

Source/Calibratio/Public/CalibratioActor.h

Source/RWTHVRCluster/Private/CAVEOverlay/CAVEOverlay.cpp

...THVRCluster/Private/CAVEOverlay/CAVEOverlayController.cpp

Source/RWTHVRCluster/Private/ClusterConsole.cpp

Source/RWTHVRCluster/Private/RWTHVRCluster.cpp

Source/RWTHVRCluster/Public/CAVEOverlay/CAVEOverlay.h

.../RWTHVRCluster/Public/CAVEOverlay/CAVEOverlayController.h

...ce/RWTHVRCluster/Public/CAVEOverlay/CAVEOverlaySettings.h

Source/RWTHVRCluster/Public/CAVEOverlay/DoorOverlayData.h

Source/RWTHVRCluster/Public/ClusterConsole.h

...luster/Public/Events/DisplayClusterEventParameterHelper.h

.../RWTHVRCluster/Public/Events/DisplayClusterEventWrapper.h

Source/RWTHVRCluster/Public/RWTHVRCluster.h

Source/RWTHVRCluster/RWTHVRCluster.Build.cs

Source/RWTHVRToolkit/Private/RWTHVRToolkit.cpp

...RWTHVRToolkit/Private/Utility/VirtualRealityUtilities.cpp

Source/RWTHVRToolkit/Public/RWTHVRToolkit.h

Source/RWTHVRToolkit/RWTHVRToolkit.Build.cs