feat(I18n): Add multiple languages ​​(zh-CN/zh-TW/en/it) (#8)

src/routes/root.tsx

@@ -5,7 +5,10 @@ import { ThemeProvider } from "@/components/theme-provider";
 import Header from "@/components/header";
 import { Toaster } from "@/components/ui/sonner";
 
+import { useTranslation } from "react-i18next";
+
 export default function Root() {
+    const { t } = useTranslation();
     return (
         <ThemeProvider defaultTheme="dark" storageKey="vite-ui-theme">
             <Card className="text-sm max-w-7xl mx-auto mt-5 min-h-[90%] flex flex-col justify-between">
@@ -14,7 +17,7 @@ export default function Root() {
                     <Outlet />
                 </div>
                 <footer className="mx-5 pb-5 text-foreground/60 font-thin text-center">
-                    &copy; 2019-2024 哪吒监控 Nezha Monitoring
+                    &copy; 2019-2024 {t('nezha')} 
                 </footer>
             </Card>
             <Toaster />