dd v4_pure_KR metrics to comparison table

README.md

@@ -11,12 +11,12 @@ tags:
 # backtesting - v2_baseline
 
 ## Evaluation Results
-| Metric | Value |
-| --- | --- |
+| Metric | Value | v4_pure_KR |
+| --- | --- | --- |
 | **Evaluation Loss** | 2.0091 |
 | **Perplexity (PPL)** | 7.46 |
 | **BPC** | 2.8985 |
 
 ## Experiment Note
 - Version: v2_baseline
-- Target: Korean Wikipedia Continued Pretraining
+- Target: Korean Wikipedia Continued Pretraining