feature: Next Video Button

[Sanket-777]

Is your feature request related to a problem? Please describe. Whenever i complete a video i need to go back to the track and select the next video Describe the solution you'd like A clear and concise description of what you want to happen. When the Video gets completed there will a button next to the mark as completed button that will take me to the next video , also we can add an autoplay the next video like thing

[Basant-Chahar-2003]

Can I work on this......