add app builder example
--- MacRuby/trunk/sample-macruby/HotCocoa/secure_text_field_app_builder.rb (rev 0)
+++ MacRuby/trunk/sample-macruby/HotCocoa/secure_text_field_app_builder.rb 2008-08-11 06:54:57 UTC (rev 416)
@@ -0,0 +1,3 @@
+require 'hotcocoa/application_builder'
+
+ApplicationBuilder.build :name => "SecureTextField", :require => "secure_text_field", :sources => ['secure_text_field.rb']