added vibration to inform the user onDoubleTap

added vibration to inform the user onLonPress

created class to handle the models

Fixed pan and pinch gesture for neugereut model.

Added additonal 3D model of a fence.

added the possibility to change posititon of the model on x and y axis

missing assets added

several models added, choosable in setupModel()

Test for change position of the model on y-axis.

Deleted unneeded assets

Added OnTouchevent

ScaleGestureListener added

pan model added

Slam activated

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