Merge pull request #7249 from davidkline-ms/pkgContentsDoc

Update packages doc for 2.3

Author: David Kline

Documentation/MRTK_PackageContents.md

@@ -5,7 +5,6 @@ The Microsoft Mixed Reality Toolkit is provided as a collection of packages. The
 - [Foundation](#foundation)
 - [Extensions](#extensions)
 - [Tools](#tools)
-- [Providers.UnityAR](#providersunityar)
 - [Examples](#examples)
 
 ## Foundation
@@ -18,8 +17,10 @@ The Microsoft.MixedRealityToolkit.Unity.Foundation package includes the core com
 | MixedRealityToolkit.Providers | | |
 | | [ObjectMeshObserver](SpatialAwareness/SpatialObjectMeshObserver.md) | Spatial awareness observer using a 3D model as the data. |
 | | OpenVR | Support for OpenVR devices. |
+| | [UnityAR](CameraSystem/UnityArCameraSettings.md) | (Experimental) Camera settings provider enabling MRTK use with mobile AR devices. |
 | | WindowsMixedReality | Support for Windows Mixed Reality devices, including Microsoft HoloLens and immersive headsets. |
 | | WindowsVoiceInput | Support for speech and dictation on Microsoft Windows platforms. |
+| | XRSDK | (Experimental) Support for [Unity's new XR framework](https://blogs.unity3d.com/2020/01/24/unity-xr-platform-updates/) in Unity 2019.3. |
 | MixedRealityToolkit.SDK | | |
 | | Experimental | Experimental features, including shaders, user interface controls and individual system managers. |
 | | Features | Functionality that builds upon the Foundation package. |
@@ -40,12 +41,13 @@ The Microsoft.MixedRealityToolkit.Unity.Foundation package includes the core com
 
 The optional Microsoft.MixedRealityToolkit.Unity.Extensions package includes additional services that extend the functionality of the Microsoft Mixed Reality Toolkit.
 
-> [!Note]
+> [!NOTE]
 > The extensions package requires Microsoft.MixedRealityToolkit.Unity.Foundation.
 
 | Folder | Component | Description |
 | --- | --- | --- |
 | MixedRealityToolkit.Extensions | |
+| | HandPhysicsService | Service that adds physics support to articulated hands. |
 | | LostTrackingService | Service that simplifies handing of tracking loss on Microsoft HoloLens devices. |
 | | [SceneTransitionService](Extensions/SceneTransitionService/SceneTransitionServiceOverview.md) | Service that simplifies adding smooth scene transitions. |
 
@@ -54,7 +56,7 @@ The optional Microsoft.MixedRealityToolkit.Unity.Extensions package includes add
 The optional Microsoft.MixedRealityToolkit.Unity.Tools package includes helpful tools that enhance the mixed reality development experience using the Microsoft Mixed Reality Toolkit.
 These tools are located in the **Mixed Reality Toolkit > Utilities** menu in the Unity Editor.
 
-> [!Note]
+> [!NOTE]
 > The tools package requires Microsoft.MixedRealityToolkit.Unity.Foundation.
 
 | Folder | Component | Description |
@@ -68,21 +70,11 @@ These tools are located in the **Mixed Reality Toolkit > Utilities** menu in the
 | | ScreenshotUtility | Enables capturing application images in the Unity editor. |
 | | TextureCombinerWindow | Utility to combine graphics textures. |
 
-## Providers.UnityAR
-
-> [!Note]
-> The UnityAR package requires Microsoft.MixedRealityToolkit.Unity.Foundation.
-
-| Folder | Component | Description |
-| --- | --- | --- |
-| MixedRealityToolkit.Staging | | |
-| | [UnityAR](CameraSystem/UnityArCameraSettings.md) | Camera settings provider enabling MRTK use with mobile AR devices. |
-
 ## Examples
 
 The optional Microsoft.MixedRealityToolkit.Unity.Examples package includes demonstration projects that illustrate the features of the Microsoft Mixed Reality Toolkit.
 
-> [!Note]
+> [!NOTE]
 > The examples package requires Microsoft.MixedRealityToolkit.Unity.Foundation.
 
 | Folder | Component | Description |