Admin Dashboard

[Rutujakirad]

✅ Conference Management:

1. Admin can create a new conference.
2. Admin can edit or delete existing conferences.
3. Form validation on create/edit/delete actions.

✅ Reviewer Assignment for CFPs:

1. Admin can view all CFP submissions.
2. Admin can view list of registered reviewers.
3. Admin can assign one or more reviewers to each CFP.
4. Display assignment status per CFP (e.g., Unassigned, Assigned).

✅ Role-Based Access:

1. Only users with "admin" role can access this dashboard.
2. Access should be securely validated on both frontend and backend.