Add library name and pipeline tag

This PR improves the model card metadata by adding the `library_name` and `pipeline_tag`, such that the model can be found at https://huggingface.co/models?pipeline_tag=text-generation.

README.md

@@ -1,4 +1,6 @@
 ---
+base_model:
+- Qwen/Qwen2.5-0.5B
 language:
 - en
 - zh
@@ -12,6 +14,9 @@ language:
 - km
 - su
 - tl
+license: apache-2.0
+library_name: transformers
+pipeline_tag: text-generation
 tags:
 - multilingual
 - sea
@@ -29,11 +34,9 @@ widget:
   example_title: Indonesian
 - text: Làm thế nào để nướng cá?
   example_title: Vietnamese
-license: apache-2.0
-base_model:
-- Qwen/Qwen2.5-0.5B
 ---
 
+```markdown
 <div align="center">
   <img src="sailor2_banner.jpg" width="700"/>
 </div>
@@ -145,4 +148,5 @@ If you find Sailor2 useful, please cite our work as follows:
 
 # Contact Us
 
-If you have any questions, please raise an issue or contact us at [[email protected]](mailto:[email protected]) or [[email protected]](mailto:[email protected]).
+If you have any questions, please raise an issue or contact us at [[email protected]](mailto:[email protected]) or [[email protected]](mailto:[email protected]).
+```