Implemented rating system for song, album and artist (album and artist do not retrieve rating from server)

app/src/main/java/com/cappielloantonio/play/viewmodel/PlayerBottomSheetViewModel.java

@@ -35,6 +35,11 @@ public class PlayerBottomSheetViewModel extends AndroidViewModel {
         return queueSong;
     }
 
+    public Song getCurrentSong() {
+        return MusicPlayerRemote.getCurrentSong();
+    }
+
+
     public void setFavorite() {
         Song song = MusicPlayerRemote.getCurrentSong();