Game Controls Not Explained – Add Instruction Text

Currently, there are no visible instructions on how to play the game. A new player might not understand how to start the game or control the paddle.
Suggested Fix:
Add a short instructional message above or below the game canvas.

This will improve user experience and help first-time users quickly understand how to play.

and i found one more issue , that there should be arrow up and down , in which user can play smoothly, as i am playing from laptop it is hard to handle the scroll bar, which is dissatisfy..!!