Add metadata and Github link to dataset card

This PR adds structured metadata to the dataset card, including `task_categories` and `license`, and includes a link to the Github repository for reproducibility.

README.md

@@ -1,6 +1,17 @@
+---
+license: apache-2.0
+task_categories:
+- question-answering
+tags:
+  - mental-health
+  - counseling
+  - ncmhce
+---
+
 **Dataset Description**
 
-Paper: https://arxiv.org/pdf/2410.22446
+Paper: [Do Large Language Models Align with Core Mental Health Counseling Competencies?](https://huggingface.co/papers/2410.22446)
+Github: [Github Repository](https://github.com/ckmjx/CounselingBench)
 
 Language(s) (NLP): English