Solved Issue #53: Added Exit Button, Resolved Row and Column Size, and Implemented score Board

[Deekshit7483]

PR Description 📜

Please include summary related to the issue you have fixed and describe your PR in brief over here by specifying the issue number on which you were working below
Fixes #53

This pull request addresses Issue #53 by implementing the following changes:

• Added an exit button: Players can now exit the game at any time by clicking the exit button.

• Resolved row and column size issue: Previously, players could input any number for the rows and columns, leading to
  potential game errors. Now, if a player enters an invalid number (e.g., less than 5 or greater than 30), an error message will
  be displayed, ensuring a smoother user experience.

• Added source board: Players can now view the score for the game.

  These changes enhance the usability and stability of the game. Tested and verified functionality.

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[Deekshit7483]

Added score board

Added exit button

Resolved Row and Column Size

[ayush-t02]

@Deekshit7483

1. row and column validation has already been done so please remove
2. conflicts with index.html and style.css, please resolve them

[Deekshit7483]

@ayush-t02
Removed row and column validation, and resolved conflicts.

[Deekshit7483]

Conflict resolved