docs: update README with monitoring and metrics endpoints

README.md

@@ -18,6 +18,10 @@ A simple, lightweight Node.js Express REST API application with container suppor
 | :--- | :--- | :--- |
 | `GET` | `/` | API Metadata & Welcome Info |
 | `GET` | `/health` | Application Health & Uptime Status |
+| `GET` | `/metrics` | API Request Metrics (Latency, Counts, Status) |
+| `GET` | `/dashboard` | API Internal Monitoring Dashboard UI |
+| `GET` | `/monitoring` | External Platform Monitoring Dashboard (mithal.space) |
+| `GET` | `/api/monitoring/metrics` | External Monitoring Data (from Python collector) |
 | `GET` | `/api/v1/items` | List all items |
 | `GET` | `/api/v1/items/:id` | Get item by ID |
 | `POST` | `/api/v1/items` | Create new item |