To display the background across the entire bottom side and not with the margins of the column, we have to restructure where the margins are a bit.
Contributes to issue CURA-8556.
Currently just a title and a page. The title is separate because in between there will be the tabs selecting which page is shown. The title will also change depending on that, but that'll have to be implemented separately. The page is loaded with a loader to make it efficient, and also to make it extensible when the tabs get implemented in a follow-up ticket.
Contributes to issue CURA-8556.