Add helper folder to app root

Call this folder whatever. I prefer to keep everything seperated, so I
created a folder just for a single class that will contain HTML5 Form
Helpers.
Load that folder through the DI
add the create action, where we test our helper
create a model for robots

not needed in this example
Use the new helper class in a form

Notice the use of the new MyTags static method.
Simple index view not needed for example to work