Create a page that renders information on other student's in the user's cohort, all teachers, and information on exercises etc the user has completed.
Component:
The Cohort button in the left navbar should link to this page if user is a student, and to a different page (todo) if user is a teacher.
Functionality:
- when page initialises, can use data saved in state from currently logged in user.
- make API request to retrieve details of user's cohort, save these to state as well. (Endpoint not yet made)
- information on completed work will be available in user info in state (to be added to database and endpoint for single user data)
- The name and image for each student displayed should link to that student's profile page.