Update

app.py

@@ -55,7 +55,7 @@ if "problem" in st.query_params:
 
     
 else:
-    tab_problem, tab_submission, tab_model = st.tabs(["Problems", "Submissions", "Models"])
+    tab_problem, tab_submission, tab_model, tab_about = st.tabs(["Problems", "Submissions", "Models", "About"])
 
     with tab_problem:
         with st.spinner("Loading Framework...", show_time=True):
@@ -131,3 +131,8 @@ else:
             column_order=("model_name", "Dynamic Point", "pass@1", "beyond@t", "beyond@m", "model_progress"),
             height=800,
         )
+
+    with tab_about:
+        st.write("Hello World!")
+        st.write("This is the new version of Code Arena. Refer to [Monolith](https://github.com/Elfsong/Monolith) for instructions on how to submit code.")
+