render/string.go
func String(s string, args ...interface{}) Renderer {
	e := New(Options{})
	return e.String(s, args...)
}
func String(s string, args ...interface{}) Renderer {
	e := New(Options{})
	return e.String(s, args...)
}
// String renderer that will run the string through
// the github.com/gobuffalo/plush package and return
// "text/plain" as the content type.