README.md: add setup.rb for example setup

greenrobot · greenrobot · commit cead223a7776 · 2018-11-19T21:21:06.000+01:00
diff --git a/README.md b/README.md
@@ -44,6 +44,7 @@ To setup the example, use CocoaPods to acquire the framework:
 
     cd Example/
     pod install
+    Pods/ObjectBox/setup.rb
 
 This will generate a `NotesExample.xcworkspace` that you can launch to try out ObjectBox.
 
