feat(qr-scanner): implement WebInlineQRScanner with jsQR integration

- Add jsQR library for QR code detection and scanning
- Implement WebInlineQRScanner class with comprehensive camera handling
- Add detailed logging throughout scanner lifecycle
- Include error handling and cleanup procedures
- Add blur detection for QR codes
- Implement FPS throttling for performance optimization
- Add device compatibility checks and permission handling

The scanner now provides:
- Camera stream management
- QR code detection with blur prevention
- Performance optimized scanning (15 FPS target)
- Detailed logging for debugging
- Proper cleanup of resources

package.json

@@ -95,6 +95,7 @@
     "jdenticon": "^3.2.0",
     "js-generate-password": "^0.1.9",
     "js-yaml": "^4.1.0",
+    "jsqr": "^1.4.0",
     "leaflet": "^1.9.4",
     "localstorage-slim": "^2.7.0",
     "lru-cache": "^10.2.0",
@@ -189,7 +190,10 @@
     },
     "asar": true,
     "mac": {
-      "target": ["dmg", "zip"],
+      "target": [
+        "dmg",
+        "zip"
+      ],
       "category": "public.app-category.productivity",
       "icon": "build/icon.png",
       "hardenedRuntime": true,