add base model metadata (#4)

- add base model metadata (15acfc495bf4459836ca87439ab02f2827868c77)


Co-authored-by: Daniel van Strien <davanstrien@users.noreply.huggingface.co>

README.md

@@ -3,6 +3,8 @@ library_name: transformers
 license: apache-2.0
 language:
 - en
+base_model:
+- HuggingFaceTB/SmolLM2-135M
 ---