Added Bicycle Efficiency Calculator

[KowshikaSinivasan]

Fixes Issue🛠️

Closes #1968

Description👨‍💻

Added a new "Bicycle Efficiency Calculator" feature, which calculates a cyclist's speed based on pedal effort, gear ratio, and terrain type. Updated index.html, script.js, and style.css to integrate the functionality.

Type of Change📄

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

Checklist✅

• I am an Open Source contributor
• I have performed a self-review of my code
• My code follows the style guidelines of this project
• I have commented on my code, particularly in hard-to-understand areas

Screenshots/GIF📷

[github-actions]

Hey @KowshikaSinivasan, Welcome to the project CalcDiverse! 🎊
Thanks for your contribution! Your effort makes this project better. Keep it up! 🙌
Please wait for the PR to be reviewed. Happy Coding!! ✨

[netlify]

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[KowshikaSinivasan]

[KowshikaSinivasan]

I am a contributor of social winter of code.
This PR is made on behalf of swoc.

Thanks.

[Rakesh9100]

Please do not create a PR until you are assigned to an issue @KowshikaSinivasan

[KowshikaSinivasan]

Please do not create a PR until you are assigned to an issue @KowshikaSinivasan

Apologies for any inconvenience caused. Thank you!

[github-actions]

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