Add option for cookie to be required

[crabnky]

Thanks for the bundle.

Can we have ability to mark some cookies as required? So user cannot set them to false, because these cookies are needed for page to work?

[oliverfehmel]

Since you are able to custimize the twig view of the Cookie dialog, you could just add a styled text above or beneath the optional cookies which explains the required ones. You even could fake the yes/no buttons which aren't clickable for required ones