NewDefaultActionConfig generates an ActionConfig with the default values and returns it.

The assistant fires the main intent for the root level call (for example "Ok Google, Talk To <Action>").

The assistant fires the permission intent when an action invokes askForPermission.

The assistant fires the text intent when you the action ask for a response.

RootRequest object which should contain all the request data sent via google.

RootResponse object which will be formatted to json and sent back to google and onto the user.