add rabbitmq doc chart (#10853)

diff --git a/oap-server/server-starter/src/main/resources/ui-initialized-templates/rabbitmq/rabbitmq-root.json b/oap-server/server-starter/src/main/resources/ui-initialized-templates/rabbitmq/rabbitmq-root.json
index fe9894d..fc48f08 100644
--- a/oap-server/server-starter/src/main/resources/ui-initialized-templates/rabbitmq/rabbitmq-root.json
+++ b/oap-server/server-starter/src/main/resources/ui-initialized-templates/rabbitmq/rabbitmq-root.json
@@ -22,7 +22,7 @@
       "children": [
         {
           "x": 0,
-          "y": 0,
+          "y": 3,
           "w": 24,
           "h": 29,
           "i": "0",
@@ -43,8 +43,33 @@
             "showYAxis": false,
             "showGroup": true
           }
+        },
+        {
+          "x": 0,
+          "y": 0,
+          "w": 24,
+          "h": 3,
+          "i": "1",
+          "type": "Text",
+          "id": "1",
+          "metricTypes": [
+            ""
+          ],
+          "metrics": [
+            ""
+          ],
+          "graph": {
+            "fontColor": "blue",
+            "backgroundColor": "white",
+            "content": "Provide RabbitMQ monitoring through OpenTelemetry's Prometheus Receiver",
+            "fontSize": 14,
+            "textAlign": "left",
+            "url": "https://skywalking.apache.org/docs/main/next/en/setup/backend/backend-rabbitmq-monitoring/"
+          },
+          "moved": false
         }
       ],
+      "id": "RabbitMQ-Root",
       "layer": "RABBITMQ",
       "entity": "All",
       "name": "RabbitMQ-Root",