Updated reference links

docs/apple_zt_sdk.md

@@ -0,0 +1,7 @@
+Apple + ZeroTier SDK
+====
+
+Welcome!
+
+***
+## Platform-specific Integrations

integrations/README.md

@@ -9,15 +9,18 @@ Also stop by our [community section](https://www.zerotier.com/community/) for mo
 ***
 ## Current Integrations
 
-### iOS
+### Apple
+We've created a single XCode project which will build every target you need for iOS/OSX/Unity development. It's located [here](/integrations/Apple)
+#### iOS
  - [Embedding within an app](../docs/ios_zt_sdk.md)
  - [Unity3D plugin](../docs/unity3d_ios_zt_sdk.md)
 
-### OSX
+#### OSX
  - [Embedding within an app](../docs/osx_zt_sdk.md) 
  - [Dynamic-linking into an app/service at runtime](../docs/osx_zt_sdk.md) 
  - [Unity3D plugin](../docs/unity3d_osx_zt_sdk.md) 
 
+***
 ### Linux
  - [Dynamic-linking into an app/service at runtime](../docs/linux_zt_sdk.md) 
  - [Using the SDK with Docker](../docs/docker_linux_zt_sdk.md)
@@ -26,5 +29,6 @@ Also stop by our [community section](https://www.zerotier.com/community/) for mo
  - [Embedding within an app](../docs/android_zt_sdk.md) 
  - [Unity 3D plugin](../docs/unity3d_android_zt_sdk.md) 
 
+***
 ### Windows
  - Anyone want to volunteer?