Added a check for Realistic ages and height

[afreenpoly]

Fixes Issue🛠️

Closes #1368

Description👨‍💻

-Introduced a new function isValidCombination to validate the combination of age and height inputs. The function ensures that:

1. For children (age 0-5), height is between 60 cm and 120 cm.
2. For children (age 6-10), height is between 100 cm and 150 cm.
   3.For adults,No restriction

Type of Change📄

• Bug fix (non-breaking change which fixes a bug)

Checklist✅

• I am an Open Source contributor
• I have performed a self-review of my code
• My code follows the style guidelines of this project
• I have commented on my code, particularly in hard-to-understand areas

Screenshots/GIF📷

Before

After

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[github-actions]

Hey @afreenpoly, 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!! ✨