Update docs/source/output_files.rst

Ownship ID is now 1, so update example output.

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: StephanieKemna

docs/source/output_files.rst

@@ -48,7 +48,7 @@ Example 1: Output file generated by the Ship Traffic Generator::
                 }
             ],
             "static": {
-                "id": 0,
+                "id": 1,
                 "mmsi": 257847600,
                 "name": "BASTO VI",
                 "dimensions": {