feat: add settings and reports pages

- Add settings page with organization, sites, courts, and users tabs
- Add reports page with revenue charts and statistics
- Add users API endpoint
- Add sites/[id] API endpoint for CRUD operations
- Add tabs UI component
- Fix sites API to return isActive field

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.