Update sidebar how it works

app.py

@@ -92,7 +92,9 @@ def run_ui():
     if sidebar.button('Vaccines are a cause of autism.', use_container_width=250):
         submitted = True
         fact = 'Vaccines are a cause of autism.'
-
+    
+    sidebar.title('HOW IT WORKS')
+    sidebar.write('Source code and in-depth app description available at:')
     sidebar.info('**GitHub: [@jacinthes](https://github.com/jacinthes/slovene-nli-benchmark)**', icon="💻")
 
     if not submitted and not st.session_state.valid_inputs_received: