Update zone-pivot-groups.yml

Author: jsaurezlee-msft

articles/zone-pivot-groups.yml

@@ -1360,6 +1360,16 @@ groups:
     title: Android
   - id: platform-ios
     title: iOS
+- id: acs-plat-ios-android-windows
+  title: Platform
+  prompt: Choose a platform
+  pivots:
+  - id: platform-android
+    title: Android
+  - id: platform-ios
+    title: iOS
+  - id: platform-windows
+    title: Windows
 - id: acs-plat-web-android-windows
   title: Platform
   prompt: Choose a platform