Adding Rabbitmq default parsing rule

Adding an entry into our default parsing rules showing how to leverage our default parsing rule for Rabbitmq

src/content/docs/logs/ui-data/built-log-parsing-rules.mdx

@@ -1332,6 +1332,28 @@ New Relic can parse common log formats according to built-in rules, so that you
 
   </Collapser>
 
+  <Collapser
+    id="rabbitmq"
+    title="Rabbitmq"
+  >
+
+  **Source:** `logtype = 'rabbitmq'`
+
+  **Grok:**
+
+  ```
+  %{TIMESTAMP_ISO8601:rabbitmq.timestamp} \[%{LOGLEVEL:rabbitmq.log.level}\] \<%{DATA:rabbitmq.pid}\> %{GREEDYDATA:rabbitmq.message}
+  ```
+
+  **Results:**
+
+  * `redistimestamp`: The timestamp of the log
+  * `rabbitmq.log.level`: The log level of the message (debug, info, warning, error, critical, none)
+  * `rabbitmq.pid`: The process id of the log line
+  * `rabbitmq.message`: The rabbitmq error message
+
+  </Collapser>
+
   <Collapser
     id="redis"
     title="Redis"