Enhanced and modified SIP Calculator

[roysammy123]

Fixes Issue🛠️

Closes #649

Description👨‍💻

This PR introduces a visually attractive SIP Calculator webpage that allows users to choose between two investment modes: SIP and Lump sum. The user can input the necessary parameters, and the calculator will compute the future value of the investment.

• Created a toggle mechanism to switch between SIP and Lump sum input fields.
• Implemented calculation logic for both SIP and Lump sum modes.
• Enhanced UI with CSS for a better user experience.

Type of change📄

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

How this has been tested✅

Tested locally.

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 (GSSOC'24)

Screenshots/GIF📷

[github-actions]

Hey @roysammy123, 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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[Rakesh9100]

Congrats on getting your PR merged to the repo under GSSOC 2k24 🥳 @roysammy123