- Added `price-info-card.component` to display total amount, tax, and payable amount.
- Integrated price masking directive for formatted price display.
- Created `categories.component` to list product categories with loading skeletons.
- Implemented `grid-view.component` for displaying products in a grid layout.
- Enhanced `products.component` to manage category selection and product display.
- Introduced new models for product categories and stock responses.
- Updated `main.service.ts` to fetch product categories and stock data.
- Refactored `POSStore` to manage state for products, categories, and order items.
- Added utility functions for price formatting and number normalization.
- Included placeholder images for product and logo.
refactor(purchases): remove unused purchase receipt components and consolidate receipt template logic
fix(suppliers): enhance suppliers select component to support full data option values
style(tailwind): improve theme variables for better customization and consistency
feat(shared): introduce abstract select component for reusable select field logic
chore(purchases): clean up imports and improve component structure for better maintainability