music Queue structure

[jayjoshi64]

workflow for user :

1. favourite songs
2. select song
3. add to queue
4. play the song

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queue storage using pickle
queue storage :: queue.pickle

• Queue maintanence

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in listwidget addtoqueue should be there which will append the list of songs to the queue.

class listWidget:
     addToQueue

• addtoqueue

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songListWidget should be updated when user click to album or playlist or artist and should set with the list of song of them.

 SongListWidget:

       set(list)
       reset()

• songList: set()
• songListL reset()