Aria attributes for Elm

Collection of some aria attributes. Examples can be found within the documentation of the package.

Pull requests for the missing attributes are welcome.

<(''<) <('')> (>'')> <('')> <(''<) <('')> (>'')> <('')> <(''<) <('')> (>'')> <('')> <(''<) <('')> (>'')> <('')> <(''<) <('')> (>'')>