feat: Add NATS integration support to the event system

- Added NATS package to dependencies
- Created Prisma schema models for NATS configuration
- Implemented NATS controller, router, and event management
- Updated instance controller and event manager to support NATS
- Added NATS configuration options in environment configuration
- Included NATS events in instance validation schema

package.json

@@ -82,6 +82,7 @@
     "mime-types": "^2.1.35",
     "minio": "^8.0.3",
     "multer": "^1.4.5-lts.1",
+    "nats": "^2.29.1",
     "node-cache": "^5.1.2",
     "node-cron": "^3.0.3",
     "openai": "^4.77.3",