Add application file

app.py

@@ -45,7 +45,7 @@ def render():
     group_token = submission_tab.text_input(label="Group token", value="")
     results_file = submission_tab.file_uploader(label="Upload your results file")
     if submission_tab.button("Upload"):
-        submission_tab.markdown("**YOUR SUBMISSION WAS SUCCESSFUL!**")
+        submission_tab.markdown("## THANK YOU FOR YOUR SUBMISSION!")
         submission_tab.markdown("Here are your submission details:")
         submission_tab.markdown("**Group name:** " + group_name)
         submission_tab.markdown("**Revision:** ")