docs: add docs for jc logs

docs/concepts/jcloud/index.md

@@ -321,6 +321,28 @@ jc scale good-martin-ca6bfdef84 --executor executor0 --replicas 2
 :width: 70%
 ```
 
+### Get Executor or Gateway logs
+
+To get the Gateway logs:
+
+```bash
+jc logs --gateway central-escargot-354a796df5
+```
+
+```{figure} img/gateway_logs.png
+:width: 70%
+```
+
+To get the Executor logs:
+
+```bash
+jc logs --executor executor0 central-escargot-354a796df5
+```
+
+```{figure} img/executor_logs.png
+:width: 70%
+```
+
 ## Configuration
 
 Please refer to {ref}`Configuration <jcloud-configuration>` for configuring the Flow on Jina AI Cloud.