Different exam types: - New endpoint that decides file type in response based on exam layout. (name: views.py) - New handler on fronted that renders exams based on Response type. - Rendering should be considered in the Students.jsx and Grade.jsx Blank exams: - Change the Add exam view to allow for blank exams. - Add blank to the ExamLayout enum. - For blank exams a submission should be created for each student in the database, and when a new student gets added. - When requesting what to render for a blank exam a response with 204 (success but no content) should be returned.