[Mustafa, Fatih] Add Endpoints for a New Survey Model

[kristinatrajkovski]

According to the descibed issues in Lab 6 report the back end models need to be updated according to the survey we will offer after signing up.

• [x] Add a new model
• [x] Test with the chosen preferences
• [x] Connect with code execution and home page

Deadline: 12.11.2024. 20:00 Estimated effort: 30 mins Reviewer: @kristinatrajkovski

[Mutti499]

We completed the task with some help from @serhan-cakmak in Pr !