load menu and save carfully

src/music.rs

@@ -1,6 +1,6 @@
 use crate::message::Message;
-use crate::utils::string_to_polygon;
 use crate::polygon_draw::*;
+use crate::utils::string_to_polygon;
 use serde::{Deserialize, Serialize};
 
 use kira::{AudioManager, sound::static_sound::StaticSoundData};
@@ -70,7 +70,7 @@ impl Music {
         Music {
             poly_frame: vec![(0.0, PolygonFrame::default())],
             nb_sec_for_rev: 1.0,
-            file_name: "Default Name".to_string(),
+            file_name: "Default File Name".to_string(),
             length: 60.0,
             teta: 0.,
             current_delta: 0.,