* add iPhone screenshots for RN

Author: prupipho

Diff for: docs/generated-apps/react-native/pages/blank.md

@@ -1 +1,10 @@
 This is the most basic page. A blank canvas to mold into whatever you wish. The blank page leaves pretty much everything up to you.
+
+## Windows App
+<img alt="Blank Page in React Native app for Windows" src="../../../resources/rnw-windows-app-blank.png" width="700" />
+
+## Android App
+<img alt="Blank Page in React Native app for Android" src="../../../resources/rnw-android-app-blank.png" width="250" />
+
+## iOS App
+<img alt="Blank Page in React Native app for iOS" src="../../../resources/rnw-ios-app-blank.png" width="250" />

Diff for: docs/generated-apps/react-native/pages/master-detail.md

@@ -13,4 +13,4 @@ In smaller devices or if resized the application would look like this:
 <img alt="Master Detail Page in React Native app for Android" src="../../../resources/rnw-android-app-masterDetail.png" width="500" />
 
 ## iOS App
-TODO: Pending to add screenshot here.
+<img alt="Master Detail Page in React Native app for iOS" src="../../../resources/rnw-ios-app-masterDetail.png" width="500" />

Diff for: docs/generated-apps/react-native/pages/settings.md

@@ -3,10 +3,10 @@ The settings page is the page where we recommend putting the configuration setti
 Currently this page provides the [Theme support](../features/theme-selection.md)
 
 ## Windows App
-<img alt="Basic React Native app for Windows" src="../../../resources/rnw-windows-app-settings.png" width="700" />
+<img alt="Settings Page in React Native app for Windows" src="../../../resources/rnw-windows-app-settings.png" width="700" />
 
 ## Android App
-<img alt="Basic React Native app for Android" src="../../../resources/rnw-android-app-settings.png" width="250" />
+<img alt="Settings Page in React Native app for Android" src="../../../resources/rnw-android-app-settings.png" width="250" />
 
 ## iOS App
-TODO: Pending to add screenshot here.
+<img alt="Settings Page in React Native app for iOS" src="../../../resources/rnw-ios-app-settings.png" width="250" />