Added react-native new-library command

Libraries/Sample/Sample.ios.js

@@ -0,0 +1,20 @@
+/**
+ * @providesModule Sample
+ * @flow
+ */
+'use strict';
+
+var NativeSample = require('NativeModules').Sample;
+var invariant = require('invariant');
+
+/**
+ * High-level docs for the Sample iOS API can be written here.
+ */
+
+var Sample = {
+  test: function() {
+    NativeSample.test();
+  }
+};
+
+module.exports = Sample;