UPDATE: Add muti language

frontend/package.json

@@ -14,12 +14,16 @@
     "@tailwindcss/vite": "^4.2.2",
     "@tanstack/react-router": "^1.168.10",
     "@tanstack/react-router-devtools": "^1.166.11",
+    "i18next": "^26.0.3",
+    "i18next-browser-languagedetector": "^8.2.1",
+    "i18next-http-backend": "^3.0.4",
     "lucide-react": "^1.7.0",
     "motion": "^12.38.0",
     "path-browserify": "^1.0.1",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
     "react-easy-crop": "^5.5.7",
+    "react-i18next": "^17.0.2",
     "react-toastify": "^11.0.5",
     "tailwindcss": "^4.2.2",
     "zustand": "^5.0.12"