added about page

[Sneha4580]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes: #(issue no.#41)

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist:

• [ ] I have made this from my own
• [ ] I have taken help from some online resourses
• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings

ATTACH SCREEN-SHOTS / DEPLOYMENT LINK (if applicable)

[github-actions[bot]]

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[Dev-tanay]

Please attach a video or photos of your changes. @Sneha4580

[Sneha4580]

https://github.com/Dev-tanay/Rubik-Cube/assets/129947788/9169031c-7847-4970-80a9-270d8f35eb15

these are the changes i have made.(issue no #178)