Update Samples GLTF and readme

Assets/ISG-ARF/Common_Application/Scenes/ExampleGLTF.unity

...ISG-ARF/Common_Application/Scripts/SceneManagementGLTF.cs

...ts/ISG-ARF/Resources/WS/ARFWorldStorageServerOrange.asset

...G-ARF/Resources/WS/ARFWorldStorageServerOrange.asset.meta

Assets/Scenes.meta

Assets/Scenes/Scenes.unity

Assets/Scenes/Scenes.unity.meta

Assets/StreamingAssets/ARSceneOneAnchor.glb

Assets/StreamingAssets/ARSceneThreeAnchor.glb

Packages/unity-world-analysis-arfoundation-wrapper-package

Packages/unity-world-storage-package

README.md