feat: integrate i18next for internationalization support (#65)

* feat: integrate i18next for internationalization support

- Added i18next and react-i18next dependencies for localization.
- Updated various components to utilize translation functions for user-facing text.
- Enhanced user experience by providing multilingual support across the application.

* feat: improve i18n implementation with better translations and accessibility

- Add proper i18n keys for language switcher tooltips and aria-labels
- Replace hardcoded Chinese console error messages with i18n keys
- Add missing translation keys for new UI elements
- Improve accessibility with proper aria-label attributes

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Co-authored-by: Jason <farion1231@gmail.com>

package.json

@@ -37,10 +37,12 @@
     "@tauri-apps/plugin-process": "^2.0.0",
     "@tauri-apps/plugin-updater": "^2.0.0",
     "codemirror": "^6.0.2",
+    "i18next": "^25.5.2",
     "jsonc-parser": "^3.2.1",
     "lucide-react": "^0.542.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
+    "react-i18next": "^16.0.0",
     "tailwindcss": "^4.1.13"
   }
 }