Add library_name to metadata

This PR adds the `library_name` to the model card metadata. The `config.json` suggests compatibility with the Transformers library, making this addition appropriate. The license remains as CC-BY-4.0 to be consistent with existing metadata.

README.md

@@ -1,15 +1,18 @@
 ---
-license: cc-by-4.0
 datasets:
 - wangyi111/Copernicus-Pretrain
 - wangyi111/Copernicus-Bench
+license: cc-by-4.0
+pipeline_tag: image-feature-extraction
 tags:
 - earth-observation
 - remote-sensing
 - sentinel
 - foundation-model
-pipeline_tag: image-feature-extraction
+library_name: transformers
 ---
+
+```markdown
 # Model Card for Copernicus-FM
 
 <!-- Provide a quick summary of what the model is/does. -->
@@ -41,4 +44,5 @@ pipeline_tag: image-feature-extraction
       primaryClass={cs.CV},
       url={https://arxiv.org/abs/2503.11849}, 
 }
+```
 ```