Semester and location switcher
--public
Adds the ability to change what semester and location to study at.
--end_public
- Semester and location switcher, 4 different localstorage entries as JSON.
- Adds API endpoints to the application that responds with the correct data file depending on what the user picks in the modal.
- Minor styling bugs fixed.
- Adds back the Formbricks id that was removed.
- Some refactoring and documentation updates.