feat: Support i18n

qwen3-tts-frontend/package.json

@@ -15,6 +15,7 @@
     "@radix-ui/react-checkbox": "^1.3.3",
     "@radix-ui/react-collapsible": "^1.1.12",
     "@radix-ui/react-dialog": "^1.1.15",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-progress": "^1.1.8",
     "@radix-ui/react-radio-group": "^1.3.8",
@@ -29,12 +30,15 @@
     "axios": "^1.13.3",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "i18next": "^25.8.3",
+    "i18next-browser-languagedetector": "^8.2.0",
     "lucide-react": "^0.563.0",
     "next-themes": "^0.4.6",
     "react": "^19.2",
     "react-dom": "^19.2",
     "react-h5-audio-player": "^3.10.1",
     "react-hook-form": "^7.71.1",
+    "react-i18next": "^16.5.4",
     "react-router-dom": "^7.13.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",