Add iOS support to sp-react-native-in-app-updates (#2180)

Author: aravind3566

react-native-libraries.json

@@ -19455,7 +19455,8 @@
     "images": [
       "https://user-images.githubusercontent.com/8539174/88419625-6db0ef00-cddd-11ea-814e-389db852368b.gif"
     ],
-    "android": true
+    "android": true,
+    "ios": true
   },
   {
     "githubUrl": "https://github.com/luoxuhai/react-native-avif",