Update example requests

docs/getting-started/sending/start-submission.mdx

@@ -33,7 +33,7 @@ $ export DESTINATION_ID=7a2668ad-3081-407c-9358-7ce4b6144b02
 $ curl \
     -H "Authentication: Bearer $JWT_TOKEN" \
     -H "Content-Type: application/json" \
-    --data "{ \"destinationId\": \"$DESTINATION_ID\", \"announcedContentStructure\": { \"data\": true, \"attachments\": [\"1da99641-2067-4e8b-b049-91b2a6c90544\", \"538a1365-092e-4d80-93b9-90eb8c1f5982\"] } }" \
+    --data "{ \"destinationId\": \"$DESTINATION_ID\", \"announcedContentStructure\": { \"data\": true, \"attachments\": [\"1da99641-2067-4e8b-b049-91b2a6c90544\", \"538a1365-092e-4d80-93b9-90eb8c1f5982\"] }, \"serviceType\": { \"name\": \"Bauantrag\", \"identifier\": \"urn:de:fim:leika:leistung:99010003001006\" } }" \
     -X POST $SERVICE_URL/submissions
 
 > {
@@ -57,13 +57,17 @@ import axios from 'axios'
 
 const url = '/submissions'
 const data = {
-  destinationId: 'a1270669-ea36-4a0c-8f8f-c9d490e7f2bc',
-  announcedContentStructure: {
-    data: true,
-    attachments: [
-      '1da99641-2067-4e8b-b049-91b2a6c90544',
-      '538a1365-092e-4d80-93b9-90eb8c1f5982'
+  "destinationId": "879ee109-a690-4db8-ab32-424284184d7d",
+  "announcedContentStructure": {
+    "data": true,
+    "attachments": [
+      "123ee109-a690-4db8-ab32-424284184d7d",
+      "456ee109-a690-4db8-ab32-424284184d7d"
     ]
+  },
+  "serviceType": {
+    "name": "Bauantrag",
+    "identifier": "urn:de:fim:leika:leistung:99010003001006"
   }
 }
 const token = 'eyJhbGciOiJIUzI1NiJ9.eyJyYW5kb20iOiJyYW5kb20ifQ.lXckRWoWCUBGM4ACZ6wIhYqplJeSw0HMEfE91jD1JPU'