build: github clone added

[praptisharma28]

Fixes Issue🛠️

Closes #254

Description👨‍💻

Tech Stack

• Frontend: React.js, HTML, CSS
• Dependencies: npm, node, firebase, yarn

Checklist✅

• [] My code follows the style guidelines of this project
• [] I have performed a self-review of my own code
• [] I have added demonstration in the form of GIF/video file
• [] I am an Open Source Contributor

Screenshots/GIF📷

Added in readme

[praptisharma28]

@Kritika30032002 please merge it today only if everything is fine, thanks.