update the UI

app.py

@@ -649,9 +649,10 @@ def main():
     with st.sidebar:
         st.logo("img/logo_2.png", icon_image="img/logo_2.png")
         st.header(get_translation("sidebar_titre"))
-        st.markdown(f"## {get_translation('a_propos')}")
-        st.info(get_translation("info_app"))
 
+        with st.expander(f"{get_translation('a_propos')}", expanded=False, icon="ℹ️"):
+            st.info(get_translation("info_app"))
+        
         with st.container(border=True):
             st.subheader(get_translation("langue_interface"))
             # Sélection de la langue de l'interface