feat: 集成二维码扫描功能，更新相关组件和国际化支持

src/locales/en-US.json

@@ -6,6 +6,17 @@
     "transfer": "Transfer",
     "balance": "Balance"
   },
+  "scanner": {
+    "title": "Scan QR Code",
+    "hint": "Align QR code within frame to scan",
+    "fromGallery": "Choose from Gallery",
+    "notSupported": "QR code scanning not supported on this platform",
+    "permissionDenied": "Camera permission denied",
+    "openError": "Failed to open scanner",
+    "noQRCodeFound": "No QR code detected",
+    "galleryError": "Failed to read from gallery",
+    "galleryNotSupported": "Gallery selection not supported currently"
+  },
   "recharge": {
     "channel": {
       "chainRecharge": "Chain recharge",