Added category

[Harsha-Reddy21]

Benefits of the Feature:

1. Better Organization: Users can now organize their items by category
2. Improved Searchability: Filtering makes it easier to find specific items
3. Enhanced User Experience: More structured data presentation
   4 .Business Intelligence: Categories enable reporting and analytics

[alejsdev]

Hi @Harsha-Reddy21 👋
Thank you for your interest in the project. Currently, it appears that the implementation is incomplete, and most of the tests are failing. For feature requests like this, it's usually best to start a discussion first. With that in mind, I'll close this PR, but thanks for your effort.