Add a Pause/Resume Button to the Game

## Summary
Introduce a **Pause** button that allows players to halt the game and resume from the same state, improving user control and gameplay flexibility.

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## Motivation
- Allows users to take breaks during gameplay without losing progress.
- Enhances overall **user experience and accessibility**.
- Prevents unnecessary restarts if users are interrupted mid-game.
- Standard feature in most interactive games.

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Hi , I want to add this feature as a contributor of GSSoC'25 . Please assign this to me @Akki-jaiswal / @Priyakatariya .