Add links to subpages in lakefs_spec API reference

docs/_scripts/gen_api_ref_pages.py

@@ -29,6 +29,14 @@
         identifier = ".".join(parts)
         print("::: " + identifier, file=fd)
 
+        if identifier == "lakefs_spec":
+            print("\nSee also:\n", file=fd)
+            print("- [errors](errors.md): Module for error handling and custom exceptions.", file=fd)
+            print("- [spec](spec.md): Main module defining the lakeFS filesystem specification.", file=fd)
+            print("- [transaction](transaction.md): Module for handling transactions in the lakeFS filesystem.", file=fd)
+            print("- [util](util.md): Utility functions and helper classes for the lakeFS filesystem.", file=fd)
+
+
     mkdocs_gen_files.set_edit_path(full_doc_path, path)
 
 with mkdocs_gen_files.open("reference/SUMMARY.md", "w") as nav_file: