add: locale and i18n

package.json

@@ -25,13 +25,17 @@
     "cmdk": "^1.1.1",
     "dmenu-plus-frontned": "file:",
     "framer-motion": "^12.23.3",
+    "i18next": "^25.3.2",
+    "i18next-resources-to-backend": "^1.2.1",
     "iconsax-react": "^0.0.8",
     "lucide-react": "^0.525.0",
     "next": "15.3.4",
+    "next-i18n-router": "^5.5.3",
     "next-usequerystate": "^1.20.0",
     "react": "^19.0.0",
     "react-day-picker": "^9.8.0",
     "react-dom": "^19.0.0",
+    "react-i18next": "^15.6.1",
     "react-virtualized": "^9.22.6",
     "tailwind-merge": "^3.3.1",
     "zustand": "^5.0.6"