Added Complex Number Calculator

[Aashi19234]

Fixes Issue🛠️

Closes #497

Description👨‍💻

I have added a complex number calculator which performs operations on complex numbers.

Type of change📄

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

How this has been tested✅

I have run the program in my local system and performed every operations and it works fine.

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📷

CalcDiverse.and.11.more.pages.-.Personal.-.Microsoft_.Edge.2024-02-06.22-18-31.mp4

[github-actions]

Hey @Aashi19234, 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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[Aashi19234]

@Rakesh9100 I have made the desired changes as you asked, and i had to issue a new PR because of some issues with previous PR. Please review my PR.

[Rakesh9100]

Hey @Aashi19234 Why are you closing the PRs again and again, you can make the suggested changes in the same opened PR only!!

[Aashi19234]

Sorry @Rakesh9100 , previous PR was showing some issues in my system, thats why i had to open a new PR.

[Rakesh9100]

Merged, Congrats on getting your PR merged to this repo under JWOC 🎉🎉 @Aashi19234