Add library_name and pipeline_tag metadata

This PR ensures this text generation model is easily discoverable by adding `library_name: transformers` and `pipeline_tag: text-generation` in the metadata. It also adds a link to the project page and Github repository in the model card.

README.md

@@ -1,14 +1,20 @@
 ---
+base_model:
+- thuml/bytesized32-world-model-sft
+datasets:
+- thuml/bytesized32-world-model-cot
 license: mit
 tags:
 - text-game
 - world-model
 - rlvr
-datasets:
-- thuml/bytesized32-world-model-cot
-base_model:
-- thuml/bytesized32-world-model-sft
+pipeline_tag: text-generation
+library_name: transformers
 ---
+
+[Project Page](https://thuml.github.io/RLVR-World/)
+[Github Repository](https://github.com/thuml/RLVR-World)
+
 See https://github.com/thuml/RLVR-World for examples for using this model.
 
 ## Citation
@@ -19,4 +25,5 @@ See https://github.com/thuml/RLVR-World for examples for using this model.
     author={Jialong Wu and Shaofeng Yin and Ningya Feng and Mingsheng Long},
     journal={arXiv preprint arXiv:2505.13934},
     year={2025},
-}
+}
+```