See if we can suppress hamburger menu in app

.streamlit/config.toml

@@ -2,4 +2,8 @@
 primaryColor="#e93cac"
 backgroundColor="#e9feff"
 secondaryBackgroundColor="#9fd2fe"
-textColor="#053f53"
\ No newline at end of file
+textColor="#053f53"
+
+[client]
+toolbarMode = "viewer"
+