Calorie calculator

[MohamedKamalOthman]

Description 📜

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.
Fixes #84
The Calorie Calculator can be used to estimate the number of calories a person needs to consume each day and show the basic metabolic rate based on body weight ,height, age and gender.
Note the calorie calculator is different than the BMI calculator.

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Checklist ✅

• [ x] I follow Contributing Guidelines & Code of conduct of this project.
• [ x] I have performed a self-review of my own code or work.
• [ x] I have commented my code, particularly in hard-to-understand areas.
• [ x] My changes generates no new warnings.
• [ x] I'm GSSOC'22 contributor
• Have you added a working video of your calculator ?

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Screenshots / Gif (Optional) 📸

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[awesome-bot-app]

Thanks for opening the pull request @MohamedKamalOthman! I will look into it ASAP! Till then you can improve your code & you can show your love by staring my repos 😋.

[mansi-garg-12]

Put the javascript code in app.js file and remove it from index.html

[MohamedKamalOthman]

I have done the changes you requested check it now please.

[mansi-garg-12]

Please check your code ones your calculate button is not working and your Readme file is empty .