Feat: #52 Added option to choose the size.

[Utsavladia]

PR Description 📜

Added the feature to choose the size on product page.

I have added the sizes object for now becauase in api sizes are not available and onyl one size for all product so when the sizes will be added in backend we can change this sizes object with actual sizes of the products.

Fixes #52

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Type of Change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Documentation update

How Has This Been Tested?

• [ ] Test A
• [ ] Test B

Test Configuration:

• Firmware version:
• Hardware:
• Toolchain:
• SDK:

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• [x] I follow CONTRIBUTING GUIDELINE & 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 have followed proper naming convention showed in CONTRIBUTING GUIDELINE
• [x] I have added screenshot for website preview in assets/images
• [ ] I have added README.md in my folder

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Thank you soo much for giving me this opportunity 😊