[Bug] Fix input validation in BMI Calculator

[puneet426]

Description

In the BMI calculator there is no effect of age on the calculator when i put the age 6 year and height 180cm and weight 80kg it shows result but it is not possible so we have to set some limitations or shows result Unhealthy

Recording.2024-06-21.132956.mp4

Screenshots

No response

Checklist

• I have checked the existing issues.
• I follow Contributing Guidelines of this project.
• I am a GSSOC'24 contributor.
• I am a IWOC'24 contributor.
• I am a JWOC'24 contributor.
• I am a SWOC'24 contributor.

Code of Conduct

• I agree to follow this project's "Code of Conduct".

[github-actions]

Hey @puneet426, Welcome to the project CalcDiverse! 🎊
Thanks for opening an issue! 🙌 Please wait for the issue to be assigned. Happy Coding!! ✨

[jessicachawla]

@Rakesh9100 this issue can be assigned

[kauxp]

Assign me this issue.

[Rakesh9100]

Go ahead @kauxp

[shawnsd69]

Subject: Request for Issue Assignment

Dear @Rakesh9100 ,

I hope this message finds you well. I’m eager to contribute to the CalcDiverse and would like to take on a task that could help move the project forward. If possible, could you please assign me this issue that aligns with my skills? I’m particularly interested in working on recent open source project, but I’m open to anything that needs attention.

Thank you for considering my request. I’m looking forward to your guidance and contributing to the project.

Best regards,
Shawn

[shaina123786]

I want to work on this issue. Please assign it to me.

[Vijitverm1234]

please assign me this issue
i can make it more user friendly and more informative by generating the description according to values

[github-actions]

Hello @puneet426! Your issue #1368 has been closed. Thank you for your contribution!! 🙌