Add pipeline tag and library name

This PR improves the model card by adding the `library_name: transformers` and `pipeline_tag: image-text-to-text` to the metadata.

The `library_name` will enable the "Use in Transformers" widget on the model page, providing a quick code snippet for users. The `pipeline_tag` will ensure the model is correctly categorized on the Hugging Face Hub, making it easier for users to discover models performing similar tasks.

Please review and merge this PR if everything looks good.

README.md

@@ -5,6 +5,8 @@ tags:
 - vision-language
 - diffusivonvl
 - qwen2.5-vl
+library_name: transformers
+pipeline_tag: image-text-to-text
 ---
 
 <div align="center">