Mark as played,watch history and other ui enhancement

[dipender98]

1. You have just added progress bar but after completion mark it as played by a tick button ✅
2. Plz try to implement watched history feature
3. A-B repeat,loop and chapters features
4. While taping on screen for pause,play, subtitles on/off make background more black(grey) translucent
5. If possible then get the pause/play, forward, backward under the timeline/progress bar
6. Customize feature like which button should be there on playing video panel
7. Subtitles margin, opacity setting
8. Group forming by similar name or Playlist formation

Optional :- music player and equalizer