Browser: Policy Card

[cookiengineer]

The Policy Service data structure has been changed. The UI Card needs fixes to reflect that.

Now, a single policy entry consists of {domain,policies:[{path,query}]} which means that the UI Card has to integrate a custom value() method that dynamically changes the article element's contents.

• [x] Implement the UI Card's value(value) method
• [x] Implement the UI Card's value() method
• [x] If the card has a save action, show a footer that allows adding an entry to the policies[] Array

[cookiengineer]

As of https://github.com/tholian-network/stealth/commit/fa3538865a80d84992da0b621ab6bfd08b0f157e this has been implemented.