Improve model card: add pipeline tag, library name, code link, and usage example (#1)

- Improve model card: add pipeline tag, library name, code link, and usage example (4cf85f01308bc7f1f2e75b12582bcfc401da9ee6)
- Update README.md (c55a1975d37ac6001ba99336b9eaed3e437f7edf)


Co-authored-by: Niels Rogge <nielsr@users.noreply.huggingface.co>

README.md

@@ -1,12 +1,17 @@
 ---
-license: apache-2.0
-language:
-- en
 base_model:
 - JunxiongWang/Llama3.2-Mamba2-3B-distill
+language:
+- en
+license: apache-2.0
+pipeline_tag: text-generation
+library_name: transformers
 ---
+
 # Description
 
 2 layer mamba2 models distilled from JunxiongWang/Llama3.2-Mamba2-3B-distill. Early stop at 48000 step.
 
-Used in [STree](https://arxiv.org/abs/2505.14969) as a draft model for speculative decoding for hybrid models. 
+Used in [STree: Speculative Tree Decoding for Hybrid State-Space Models](https://arxiv.org/abs/2505.14969) as a draft model for speculative decoding for hybrid models.
+
+For more details on installation, training, and evaluation, please refer to the [GitHub repository](https://github.com/wyc1997/stree).