fix packager execute from xcode

index.ios.js

@@ -0,0 +1 @@
+require('./playground/index.ios');

rn-cli.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  getProjectRoots() {
+    return [__dirname, `${__dirname}/playground`];
+  }
+};