Complete Hub Admin Dashboard with analytics, settings, and enterprise features

Major additions:
- Analytics dashboard with charts (line, bar, donut)
- Enterprise client monitoring with container management
- Staff management with 2FA support
- Profile management and settings pages
- Netcup server integration
- DNS verification panel
- Portainer integration
- Container logs and health monitoring
- Automation controls for orders

New API endpoints:
- /api/v1/admin/analytics
- /api/v1/admin/enterprise-clients
- /api/v1/admin/netcup
- /api/v1/admin/settings
- /api/v1/admin/staff
- /api/v1/profile

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

prisma/migrations/20260107145050_add_portainer_credentials/migration.sql

@@ -0,0 +1,4 @@
+-- AlterTable
+ALTER TABLE "orders" ADD COLUMN     "credentials_synced_at" TIMESTAMP(3),
+ADD COLUMN     "portainer_password_enc" TEXT,
+ADD COLUMN     "portainer_username" TEXT;