Add pipeline tag, library name and project page link

This PR adds the pipeline tag and library name to the model card, enabling easier discovery and proper "how to use" display. It also adds a link to the project page.

README.md

@@ -6,10 +6,14 @@ tags:
 - world-model
 - video-prediction
 - llama
+pipeline_tag: robotics
+library_name: transformers
 ---
 
 See https://github.com/thuml/RLVR-World for examples for using this model.
 
+Project page: https://thuml.github.io/RLVR-World
+
 ## Citation
 
 ```