prepare for support for rn 0.40

Author: gre

README.md

@@ -1,10 +1,12 @@
 
-# react-native-view-shot ![](https://img.shields.io/npm/v/react-native-view-shot.svg) ![](https://img.shields.io/badge/react--native-%2030+-05F561.svg)
+# react-native-view-shot ![](https://img.shields.io/npm/v/react-native-view-shot.svg) ![](https://img.shields.io/badge/react--native-%2040+-05F561.svg)
 
 Snapshot a React Native view and save it to an image.
 
 <img src="https://github.com/gre/react-native-view-shot-example/raw/master/docs/recursive.gif" width=300 />
 
+> For React Native version between `0.30.x` and `0.39.x`, you should use `[email protected]`.
+
 ## Usage
 
 ```js

package.json

@@ -14,6 +14,6 @@
   "author": "Gaëtan Renaudeau <[email protected]>",
   "license": "MIT",
   "peerDependencies": {
-    "react-native": ">=0.30.0"
+    "react-native": "*"
   }
 }