Add dedicated reports page to admin area so admins can view key data

Adds AdminReportsPage component to Router with ProtectedRoute for admin role.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: d5daeb82-020f-4ea2-a54f-9097efac2a63
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/4119c42c-9857-448a-8c94-20be047485ba/ef257bf8-340c-473f-9b11-e6dbf2803b32.jpg