added new example

Examples/HelloWorld/Rakefile

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+$:.unshift("/Library/RubyMotion/lib")
+require 'motion/project/template/ios'
+require 'rubygems'
+require 'motion-pixate'
+
+begin
+  require 'bundler'
+  Bundler.require
+rescue LoadError
+end
+
+Motion::Project::App.setup do |app|
+  # Use `rake config' to see complete project settings.
+  app.name = 'HelloWorld'
+  app.pixate.key  = 'KEY CODE'
+  app.pixate.user = 'USER ID'
+  app.pixate.framework = 'vendor/PXEngine.framework'
+end