Move CircularButton and CircularHoldButton to Interaction package

CHANGELOG.md

Editor/GameObjectMenuEditor.cs

Runtime/Art.meta

Runtime/Art/Materials.meta

Runtime/Art/Materials/CircularButton.meta

Runtime/Art/Materials/CircularButton/ButtonBorder.mat

Runtime/Art/Materials/CircularButton/ButtonBorder.mat.meta

Runtime/Art/Materials/CircularButton/CircularButtonIcon.mat

.../Art/Materials/CircularButton/CircularButtonIcon.mat.meta

Runtime/Art/Textures.meta

Runtime/Art/Textures/CircularButton.meta

Runtime/Art/Textures/CircularButton/button_border.png

Runtime/Art/Textures/CircularButton/button_border.png.meta

Runtime/HCPXR.XRStarter.asmdef

Runtime/Prefabs/CircularButton.prefab

Runtime/Prefabs/CircularButton.prefab.meta

Runtime/Prefabs/CircularHoldButton.prefab

Runtime/Prefabs/CircularHoldButton.prefab.meta

Runtime/Scripts.meta

Runtime/Scripts/CircularButton.meta