feat: add new UI components for product reviews, promotions, seller summaries, support center, and request forms

- Created ProductReviewCard component for displaying product reviews with options to edit and delete.
- Implemented PromoCard component for promotional content with navigation support.
- Added RoundImageLabel component for displaying images with labels in a circular format.
- Developed SellerSummary component to showcase seller information and actions.
- Introduced SupportCenter component for user support with FAQs and action buttons.
- Created SupportRequestForm component for submitting support requests with attachments.
- Added Tabs component for organizing content into tabbed sections, including product descriptions and reviews.
- Implemented utility function for class name merging.
- Defined TypeScript interfaces for User, Product, Order, and OrderItem.
- Configured TypeScript settings in tsconfig.json for improved type checking and module resolution.

.next-dev.err.log

@@ -0,0 +1,9 @@
+⚠ Port 3000 is in use by process 7664, using available port 3001 instead.
+⨯ Another next dev server is already running.
+
+- Local:        http://localhost:3000
+- PID:          7664
+- Dir:          C:\Users\CTL\Desktop\RDB\RDB-BUYER
+- Log:          .next\dev\logs\next-development.log
+
+Run taskkill /PID 7664 /F to stop it.