Norwegian and english content and menu should be similar

### Description

Today there is a lot more content on the english pages, and the user is sent from the norwegian pages to the english pages. The added content on the english pages makes the menu different. Since it is not the same in Norwegian and English, it is hard to navigate and it is very confusing.

### Additional Information

_No response_

### Tasks

- [ ] Add missing Norwegian and English content
- [ ] Update the menus to be more similiar

### Acceptance Criterias

_No response_

No file, test, or entry point is named. Start by comparing the Norwegian and English pages and their menus to identify missing content and navigation differences; done means the missing content is added and both language versions have similar menus.

Written by the indexing model from the issue text.