Update rest-api.md (#274)

* Update rest-api.md

1. In submit job, jobId is required field as per api request I checked
2. There is stop job api as per source code

* [ADD]  stop job rest api

Updated stop job body and response

* Update rest-api.md

versioned_docs/version-2.3.3/seatunnel-engine/rest-api.md

@@ -234,6 +234,29 @@ network:
 }
 ```
 
+### Stop Job.
+
+<details>
+
+ <summary><code>POST</code> <code><b>/hazelcast/rest/maps/stop-job</b></code> <code>(Returns jobId if job stoped successfully.)</code></summary>
+
+#### Body
+
+```json
+{
+    "jobId": 733584788375666689,
+    "isStopWithSavePoint": false # if job is stopped with save point
+}
+```
+
+#### Responses
+
+```json
+{
+"jobId": 733584788375666689
+}
+```
+
 </details>
 
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