implemented i18n translation technology

FrontendV2/package.json

@@ -14,6 +14,7 @@
     "@emotion/react": "^11.14.0",
     "@tailwindcss/vite": "^4.1.11",
     "@tanstack/react-query": "^5.85.5",
+    "i18next": "^25.6.0",
     "jotai": "^2.15.0",
     "js-cookie": "^3.0.5",
     "lucide-react": "^0.539.0",
@@ -22,6 +23,7 @@
     "primereact": "^10.9.6",
     "react": "^19.1.1",
     "react-dom": "^19.1.1",
+    "react-i18next": "^16.2.0",
     "react-icons": "^5.5.0",
     "react-router-dom": "^7.8.0",
     "react-toastify": "^11.0.5",