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

manifest.json

@@ -0,0 +1,42 @@
+{
+  "manifest_version": 3,
+  "name": "Amazon Product Bar",
+  "version": "1.0.0",
+  "description": "Adds a bar below product images on Amazon search results with StaggeredMenu",
+  "content_scripts": [
+    {
+      "matches": [
+        "*://*.amazon.de/*",
+        "*://*.amazon.com/*",
+        "*://*.amazon.co.uk/*",
+        "*://*.amazon.fr/*",
+        "*://*.amazon.it/*",
+        "*://*.amazon.es/*"
+      ],
+      "js": ["dist/content.js"],
+      "css": ["dist/style.css"],
+      "run_at": "document_end"
+    }
+  ],
+  "permissions": [
+    "activeTab",
+    "storage"
+  ],
+  "host_permissions": [
+    "*://*.amazon.de/*",
+    "*://*.amazon.com/*",
+    "*://*.amazon.co.uk/*",
+    "*://*.amazon.fr/*",
+    "*://*.amazon.it/*",
+    "*://*.amazon.es/*",
+    "*://*.appwrite.io/*",
+    "*://cloud.appwrite.io/*",
+    "https://appwrite.webklar.com/*"
+  ],
+  "web_accessible_resources": [
+    {
+      "resources": ["dist/*"],
+      "matches": ["*://*.amazon.de/*", "*://*.amazon.com/*", "*://*.amazon.co.uk/*", "*://*.amazon.fr/*", "*://*.amazon.it/*", "*://*.amazon.es/*"]
+    }
+  ]
+}