add demo track

app.py

@@ -13,7 +13,8 @@ name2repo = [("Training", "bigcode-project/Megatron-LM"),
              ("Dataset", "bigcode-project/bigcode-dataset"),
              ("Evaluation", "bigcode-project/bigcode-evaluation-harness"),
              ("Inference", "bigcode-project/bigcode-inference-benchmark"),
-             ("Legal", "bigcode-project/admin")
+             ("Legal", "bigcode-project/admin"),
+             ("Demo", "bigcode-project/bigcode-demo")
             ]
 
 name2num_milestones = dict()