change app working model

Signed-off-by: Frank Villaro-Dixon <frank@villaro-dixon.eu>

src/spotify.rs

@@ -1,5 +1,6 @@
 use crate::apps::BeoApp;
 
+#[derive(Debug)]
 enum SpotifyMenuState {
     Root,
     Genres,
@@ -11,10 +12,15 @@ enum SpotifyMenuState {
 #[derive(Debug, Default)]
 pub struct Spotify {
     i: i32,
+    state: SpotifyMenuState,
 }
 
 impl Spotify {
     pub fn new() -> Self {
+        Spotify {
+            i: 0,
+            state: SpotifyMenuState::Root,
+        }
         Self::default()
     }
 }