make About the default landing tab

app.py

@@ -270,6 +270,9 @@ with gr.Blocks(title="EgoMemReason Leaderboard") as demo:
 
     login_btn = gr.LoginButton()
 
+    with gr.Tab("About"):
+        gr.Markdown(ABOUT_MD)
+
     with gr.Tab("Leaderboard"):
         with gr.Row():
             show_all = gr.Checkbox(
@@ -334,9 +337,6 @@ with gr.Blocks(title="EgoMemReason Leaderboard") as demo:
         demo.load(load_my_submissions, outputs=[my_subs])
         select_btn.click(set_my_selected, inputs=[selected_id], outputs=[manage_msg, my_subs])
 
-    with gr.Tab("About"):
-        gr.Markdown(ABOUT_MD)
-
 
 if __name__ == "__main__":
     demo.queue().launch()