added third statistic

src/display/about.py

@@ -13,6 +13,7 @@ class Tasks(Enum):
     # task_key in the json file, metric_key in the json file, name to display in the leaderboard 
     task0 = Task("task_name1", "metric_name", "MMLU")
     task1 = Task("task_name2", "metric_name", "Human Eval")
+    task2 = Task("task_name3", "metric_name", "ARC")
     
 
 # Your leaderboard name