Basic Layout for Test Certificate Detail Screen (DEV) (#3300)

* add basic xml layout

* added basic files

* refactoring + adding new strings

* updated travel notice

* fixed linting

* connected screen to test_nav_graph

* lint

* added to test_nav_graph

* linting

* updated styling

* increased green card background

* lint

* renamed variables

* updated margins

* addressed comments

* addressed more comments

* unified qr code cards

* added links

* linting

* added missing space

* Try another device

* Revert "Try another device"

This reverts commit bca7c56e6659392ce720590f15ccf1779bd544ac.

* updated with new strings

Co-authored-by: BMItter <Berndus@gmx.de>
Co-authored-by: Mohamed Metwalli <mohamed.metwalli@sap.com>