Added Random Letter Generator Calculator

[swetha5157]

Fixes Issue🛠️

Closes #833

Description👨‍💻

• The Random Letter Generator game is a simple and interactive web-based application that provides users with an entertaining way to test their reflexes and vocabulary.
• The game presents users with a constantly changing random letter from the English alphabet and challenges them to click on the displayed letter as quickly as possible.

Type of change📄

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

How this has been tested✅

Functionality Testing:

• Letter Generation:
  Verified that the game generates random letters from the English alphabet.
  Ensured that each letter is displayed correctly within the designated time interval.
• Interactive Interface:
  Clicked on the displayed letter to confirm that the game responds to user input.
  Checked that the clicked letter is correctly displayed in the designated area.

Cross-Browser Testing:

• Tested the application on various browsers including Chrome, Firefox, Safari, and Edge to ensure compatibility.
• Verified that the game functions correctly and displays as expected on different browsers.

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📷

Random.Letter.Generator.-.Google.Chrome.2024-05-27.23-47-27.mp4

[github-actions]

Hey @swetha5157, 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!! ✨

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[Rakesh9100]

Congrats on getting your PR merged to the repo under GSSOC 2k24 🥳 @swetha5157

[swetha5157]

Thankyou @Rakesh9100 for accepting my pr request.
I am grateful for the opportunity to contribute to CalcDiverse