Added scroll progress indicator bar

[aslams2020]

Fixes Issue🛠️

Closes #1119

Description👨‍💻

I have Added the Scroll bar progress indicator bar to the website -

• I have made a Separate CSS and JS files for it (So that, in future it'll be easy to add this feature in newly created pages)
• I Have included the scroll down progress bar in Each Page in the website
• Also, I have followed the color theme of the website

Type of Change📄

• [x] New feature (non-breaking change which adds functionality)

Checklist✅

• [x] I am an Open Source contributor
• [x] I have performed a self-review of my code
• [x] My code follows the style guidelines of this project

Screenshots/GIF📷

https://github.com/user-attachments/assets/f111c0c2-9e70-46c9-882b-d6aadd02ab6d

Please take a look and review it.

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[aslams2020]

@Rakesh9100 Please take a look

[aslams2020]

@Rakesh9100

[aslams2020]

@Rakesh9100 ...Please take a look

[aslams2020]

@Rakesh9100 is everything good? If there are any changes to make please feel free to tell me :)

[github-actions[bot]]

Congrats, Your pull request has been successfully merged 🥳🎉 Thank you for your contribution to my project 🚀 Keep Contributing!! ✨ @aslams2020