Added a new project - (113 - BMI Calculator)

[sakshii00]

🛠️ Fixes Issue #1281

👨‍💻 Changes proposed and Brief Description

This project calculates BMI of a person taking their weight and height as input. It also tells the category they fall into.

Changes Bought by me are:

• Added the Game folder in main branch
• Added the screenshot of game in Assets folder
• Added the instance of the game in README.md file
• Changed index.html

✅ Check List (Check all the applicable boxes)

• My code doesn't break any part of the project
• This PR does not contain plagiarized content.
• My Addition/Changes works properly and matches the overall repo pattern.
• The title of my pull request is a short description of the requested changes.

📄 Note to reviewers

Please add the label gssoc and assign the issue to me so that it can be counted

📷 Screenshots

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[sakshii00]

#4

[swapnilsparsh]

@sakshii00 No issue is assigned to you related to this PR.