Fix arXiv link and update GitHub repository URL

Updated arXiv link and repository URL in README.

README.md

@@ -2,7 +2,7 @@
 
 **Paper:** Capability-Guided Compression: Toward Interpretability-Aware Budget Allocation for Large Language Models  
 **Author:** Rishaank Gupta, Independent Researcher, 2026  
-**arXiv:** [your arXiv ID]
+**arXiv:** https://arxiv.org/abs/2603.16440
 
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@@ -35,7 +35,7 @@ For CGC v2 experiments on Llama 3 8B with positive results, see the companion `c
 ## Installation
 
 ```bash
-git clone https://github.com/YOUR_USERNAME/cgc.git
+git clone https://github.com/rishaankgupta/CGC.git
 cd cgc
 pip install -e .
 ```