Added Unit Calculator

[m3kvt]

Fixes Issue🛠️

Closes #674

Description👨‍💻

I've added the implementaion of Unit Calculator which converts various units of measurement such as length, weight, volume, and more.

Type of change📄

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

How this has been tested✅

• Functionality Tests:

  • Verified that conversions for all categories (length, area, weight, volume, temperature, and time) work correctly.
  • Entered various values and checked that the correct conversion results were displayed.

• UI/UX Tests:

  • Ensured that the user interface is intuitive and user-friendly.
  • Verified that all interactive elements (buttons, dropdowns, inputs) are accessible and functional.

Checklist✅

• 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 added demonstration in the form of GIF/video file
• I am an Open Source Contributor

Screenshots/GIF📷

Kindly add the labels and merge the PR.

[netlify]

✅ Deploy Preview for calcdiverse ready!

Name	Link
🔨 Latest commit	e142ebe
🔍 Latest deploy log	https://app.netlify.com/sites/calcdiverse/deploys/6650ec40444b0300087694a8
😎 Deploy Preview	https://deploy-preview-841--calcdiverse.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[github-actions]

Hey @m3kvt, 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!! ✨

[Rakesh9100]

Congrats on getting your PR merged to the repo under GSSOC 2k24 🥳🎉 @m3kvt

[m3kvt]

Thankyou Sir