Add pipeline tag and Github link

This PR adds the `pipeline_tag: image-classification` to the model card metadata, making the model discoverable through the appropriate Hugging Face pipeline tag. A link to the Github repository is also added for easier access to the code.

README.md

@@ -1,10 +1,14 @@
 ---
-license: mit
+base_model:
+- microsoft/resnet-101
 language:
 - en
+license: mit
 metrics:
 - accuracy
-base_model:
-- microsoft/resnet-101
+pipeline_tag: image-classification
 ---
-arxiv.org/abs/2505.24216
+
+This model is presented in the paper [Shuffle PatchMix Augmentation with Confidence-Margin Weighted Pseudo-Labels for Enhanced Source-Free Domain Adaptation](https://arxiv.org/abs/2505.24216).
+
+Code: https://github.com/PrasannaPulakurthi/SPM