💻Changes to new adventure design

[AnneliesVlaar]

With the deletion list in mind some buttons will go away:

• cheatsheet
• programmersmode

In the design below the next/previous adventure button, the completion bar and the more adventures button are removed. To move to a next adventure, the user can click on the adventure name, that opens up the dropdown menu and select another adventure. In this way the users always get's an idea on where in the list of adventures they are (at the beginning or almost finished)

The list of adventures are in the current situation distinguished with a small colored vertical line in front. Maybe we can use a lightbulb to mark the explanation adventures to make the distinction more visible: