Added Root Mean Square Calculator

[Praneeth-2602]

Fixes Issue🛠️

Closes #1328

Description👨‍💻

Added the Root Mean Square calculator that calculated the RMS value of a given set of numbers. I adopted a neumorphism style.

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
• [x] I have commented on my code, particularly in hard-to-understand areas

Screenshots/GIF📷

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[Praneeth-2602]

@Rakesh9100 Done sir!!

[Rakesh9100]

Why have you closed that PR, I told you to make the changes in that same PR @Praneeth-2602

[Praneeth-2602]

I didn't close that... There were merge conflicts.

[Rakesh9100]

You should learn to resolve those conflicts and not directly close the PR. Also in this, you have not kept the calculator folder name as mentioned in the comment in the previous PR @Praneeth-2602

[Praneeth-2602]

sorry i will try not to repeat this again! I will learn to solve the merge conflicts

[Rakesh9100]

Add a README.md file of your calculator in your folder @Praneeth-2602

[github-actions[bot]]

Congrats, Your pull request has been successfully merged 🥳🎉 Thank you for your contribution to my project 🚀 Keep Contributing!! ✨ @Praneeth-2602