Fixed point functionality in Basic Calculator

[shivangi-singhjha]

Fixes Issue🛠️

Closes #634

Description👨‍💻

Added additional functionalities in the basic calculator for the point "."

Type of change📄

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

How this has been tested✅

Tested on various test cases manually.

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📷

[github-actions]

Hey @shivangi-singhjha, 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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[shivangi-singhjha]

Sir kindly label this PR with GSSOC.

[Rakesh9100]

It is working in the UI only, pls do the same when user type point from the keyboard @shivangi-singhjha

[shivangi-singhjha]

It is working in the UI only, pls do the same when user type point from the keyboard @shivangi-singhjha

Sir I have updated it. Kindly look into it.
Please label it under gssoc

[Rakesh9100]

Good, Congrats on getting your PR merged to the repo under GSSOC 2k24 🥳🎉 @shivangi-singhjha

[shivangi-singhjha]

Good, Congrats on getting your PR merged to the repo under GSSOC 2k24 🥳🎉 @shivangi-singhjha

Thank You! So much sir🙏