Success message indexing process

interface/pages.py

@@ -95,5 +95,6 @@ def page_index(container):
                         clear_index=clear_index,
                     )
                     st.session_state["doc_id"] = doc_id
+                st.success(f"{len(index_results)} documents indexed successfully!")
             if index_results:
                 st.write(index_results)