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/20260114115959_add_notification_cooldown/migration.sql

@@ -0,0 +1,11 @@
+-- CreateTable
+CREATE TABLE "notification_cooldowns" (
+    "id" TEXT NOT NULL,
+    "type" TEXT NOT NULL,
+    "last_sent_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "notification_cooldowns_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "notification_cooldowns_type_key" ON "notification_cooldowns"("type");