Create fixtures for `Students`

[github-actions]

Dependencies

None; this issue should be done first before other issues for the
Students table

Acceptance Criteria:

• In the frontend directory frontend/src/main/fixtures there is a file called
  studentsFixtures.js that contains Javascript fixtures
  for the database table that is similar to the restaurantFixtures.js
  and ucsbDatesFixtures.js files in the same directory.
• Each example should correspond to the JSON format of an object returned by
  the GET API endpoint from team02 for the Students database table object.

What to do next

Make a PR: When you've met all of the acceptance criteria, do a PR for this branch,
being sure to enter a reasonable title
and description.

In the description, include the text "Closes #n" where n is the number of
this issue.

Then ask for a team member to review your PR, and drag this issue from "In Progress" to "In Review".

Review Others' PRs: Next, see if there are any PRs that need to be code reviewed and merged. Unless you are the
first person on your team to complete a PR, there likely is at least one.
See:

• General Code Review Advice
• Performing Code Reviews on Github

Start your next issue: Then, find the issue for "Form Component for Students plus tests" on the Kanban board in the ToDo column.

• Assign it to yourself
• Drag into "In Progress"
• Create a new branch, starting from the branch for the issue you just finished.
• Start on the new issue.