Add Transformers library tag and update metadata

This PR adds the `library_name: transformers` tag to the model card, allowing users to easily access the model through the Transformers pipeline and the convenient "How to Use" widget. The metadata section is also slightly restructured for clarity.

README.md

@@ -1,15 +1,32 @@
 ---
-license: apache-2.0
 base_model:
 - ByteDance-Seed/BAGEL-7B-MoT
+license: apache-2.0
+library_name: transformers
 pipeline_tag: any-to-any
-tags: 
-  - fp8
-  - quantized
-  - bagel
-  - mot
+tags:
+- fp8
+- quantized
+- bagel
+- mot
 ---
 
+## Metadata
+```yaml
+base_model:
+- ByteDance-Seed/BAGEL-7B-MoT
+license: apache-2.0
+library_name: transformers
+pipeline_tag: any-to-any
+tags:
+- fp8
+- quantized
+- bagel
+- mot
+```
+
+## Content
+
 INT8 quant of [ByteDance-Seed/BAGEL-7B-MoT](https://huggingface.co/ByteDance-Seed/BAGEL-7B-MoT)
 
 <p align="left">