undo and restart buttons

[P-lavanya16]

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 #51

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Mark the task you have completed ✅

• [x] I follow CONTRIBUTING GUIDELINE & CODE OF CONDUCT of this project.
• [x] I have performed a self-review of my own code or work.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] My changes generates no new warnings.
• [x] I have followed proper naming convention showed in CONTRIBUTING GUIDELINE
• [ ] I have added screenshot for review.

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Add your screenshots(Optional) 📸

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Thank you soo much for contributing to our repository 💗

[Durgesh4993]

@P-lavanya16 Add a demo video

[P-lavanya16]

https://github.com/ChromeGaming/Squard-line/assets/145569662/8833ee58-4461-4740-8cb5-3f3a68bf97bd

demo video

[P-lavanya16]

@Durgesh4993 please kindly review and merge it!!