update

README.md

@@ -167,6 +167,23 @@ import msghandlerCSR from './js/msghandler.js';
 
 ## Quick Start
 
+### Prerequisites
+
+1. **Transport Channel** - Choose your communication channel:
+   - **NATS** (recommended): `docker run -p 4222:4222 nats:latest`
+   - **HTTP/WebSocket**: Any HTTP server or WebSocket endpoint
+   - **Custom**: Implement your own transport mechanism
+
+2. **HTTP File Server** (optional, for payloads ≥ 500KB) - Install and run:
+    ```bash
+    # Using Plik
+    docker run -p 8080:8080 -v /tmp/fileserver:/var/lib/plik -e PLIK_ADMIN_PASSWORD=admin plik/plik
+    
+    # OR using Python HTTP server
+    mkdir -p /tmp/fileserver
+    python3 -m http.server 8080 --directory /tmp/fileserver
+    ```
+
 ### Julia Backend
 
 #### Installation
@@ -311,23 +328,6 @@ for (const [dataname, data, type] of envelope.payloads) {
     console.log(`${dataname}:`, data, `(type: ${type})`);
 }
 ```
-
-### Prerequisites
-
-1. **Transport Channel** - Choose your communication channel:
-   - **NATS** (recommended): `docker run -p 4222:4222 nats:latest`
-   - **HTTP/WebSocket**: Any HTTP server or WebSocket endpoint
-   - **Custom**: Implement your own transport mechanism
-
-2. **HTTP File Server** (optional, for payloads ≥ 500KB) - Install and run:
-    ```bash
-    # Using Plik
-    docker run -p 8080:8080 -v /tmp/fileserver:/var/lib/plik -e PLIK_ADMIN_PASSWORD=admin plik/plik
-    
-    # OR using Python HTTP server
-    mkdir -p /tmp/fileserver
-    python3 -m http.server 8080 --directory /tmp/fileserver
-    ```
 ---
 
 ## API Reference