Added correlation matrix of features

README.md

@@ -115,6 +115,8 @@ The full schema includes both raw data and calculated performance metrics to sup
 
 ![Age Distribution by Weight Class](assets/age_distribution_by_weight_class.jpg)
 
+![Correlation Matrix](assets/corr_matrix.png)
+
 ### Fighters with the Most Number of Fights
 ![Fighters with Most Number of Fights](assets/most_active_fighters.jpg)