fix missing files after sorting to folders

Author: Lutzifer

ExampleProject/CodeGenerationExample/CodeGenerationExample.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate

@@ -17,7 +17,7 @@ Pod::Spec.new do |s|
 
   s.ios.deployment_target = '8.0'
   s.tvos.deployment_target = '9.0'
-  s.source_files   = '*.erb', '*.rb', 'swinject_codegen'
+  s.source_files   = 'codegen/*.erb', 'codegen/*.rb', 'codegen/swinject_codegen'
 
   s.dependency "Swinject"