Update ISSUE_TEMPLATE.md

Author: Richard Hua

.github/ISSUE_TEMPLATE.md

@@ -2,7 +2,7 @@ Thanks so much for filing an issue or feature request! Please fill out the follo
 
 * react-native-code-push version:
 * react-native version:
-* iOS/Android version:
+* iOS/Android/Windows version:
 * Does this reproduce on a debug build or release build?
 * Does this reproduce on a simulator, or only on a physical device?
 * Repro steps and/or stack trace: