docs(import): correct import example from v1 with timeout (#4731)

Co-authored-by: Livio Spring <livio.a@gmail.com>

docs/docs/guides/integrate/export-and-import.md

@@ -60,10 +60,14 @@ curl --request POST \
     --header 'Authorization: Bearer XXXX' \
     --header 'Content-Type: application/json' \
     --data '{
+        "timeout": "10m",
         "data_orgsv1": '$(cat export.json)'
 }'
 ```
 
+* "timeout": timeout of the call to import the data
+* "data_orgsv1": data which was exported from ZITADEL V1 
+
 ### Use a Google Cloud Storage
 
 :::note