chore: initialize project repository with core extension files

- Add .gitignore to exclude node_modules, dist, logs, and system files
- Add comprehensive project documentation including README, deployment guide, and development setup
- Add .kiro project specifications for amazon-product-bar-extension, appwrite-cloud-storage, appwrite-userid-repair, blacklist-feature, and enhanced-item-management
- Add .kiro steering documents for product, structure, styling, and tech guidelines
- Add VSCode settings configuration for consistent development environment
- Add manifest.json and babel/vite configuration for extension build setup
- Add complete source code implementation including AppWrite integration, storage managers, UI components, and services
- Add comprehensive test suite with Jest configuration and 30+ test files covering all major modules
- Add test HTML files for integration testing and validation
- Add coverage reports and build validation scripts
- Add AppWrite setup and repair documentation for database schema management
- Add migration guides and responsive accessibility implementation documentation
- Establish foundation for Amazon product bar extension with full feature set including blacklist management, enhanced item workflows, and real-time synchronization

.kiro/steering/product.md

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+# Amazon Product Bar Extension
+
+A Chrome extension that enhances Amazon search results with an interactive product management system. The extension adds a product bar below each product image and provides a sophisticated menu system for managing saved items, blacklists, and AI-powered features.
+
+## Core Features
+
+- **Product Bar Integration**: Automatically injects product bars below Amazon product images on search result pages
+- **StaggeredMenu**: Animated React-based navigation menu with GSAP animations
+- **Enhanced Item Management**: AI-powered product title suggestions using Mistral AI
+- **Blacklist System**: Brand-based filtering with visual indicators
+- **Settings Panel**: Configuration for API keys and user preferences
+- **Cross-tab Synchronization**: Real-time updates across browser tabs
+- **Accessibility**: WCAG-compliant interface with proper ARIA labels
+- **Responsive Design**: Works across different screen sizes and Amazon layouts
+
+## Target Platforms
+
+- Amazon domains: .com, .de, .co.uk, .fr, .it, .es
+- Chrome Extension Manifest V3
+- Modern browsers with ES6+ support
+
+## User Workflow
+
+1. User navigates to Amazon search results
+2. Extension automatically detects product cards and injects product bars
+3. User can access the StaggeredMenu to manage items, blacklists, and settings
+4. AI-powered features enhance product titles and provide intelligent suggestions
+5. Real-time synchronization keeps data consistent across tabs