feat(i18n): Added support for Chinese language pack

ui/package.json

@@ -42,12 +42,14 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
+    "i18next": "^25.8.13",
     "lucide-react": "^0.556.0",
     "prism-react-renderer": "^2.4.1",
     "react": "^19.2.0",
     "react-day-picker": "^9.12.0",
     "react-dom": "^19.2.0",
     "react-hook-form": "^7.68.0",
+    "react-i18next": "^16.5.4",
     "react-resizable-panels": "^3.0.6",
     "react-router-dom": "^7.10.1",
     "react-simple-code-editor": "^0.14.1",