feat: add i18n language toggle and bilingual docs

webui/src/main.jsx

@@ -2,14 +2,17 @@ import React from 'react'
 import ReactDOM from 'react-dom/client'
 import { BrowserRouter } from 'react-router-dom'
 import App from './App.jsx'
+import { I18nProvider } from './i18n'
 import './styles.css'
 
 const basename = import.meta.env.MODE === 'production' ? '/admin' : '/'
 
 ReactDOM.createRoot(document.getElementById('root')).render(
     <React.StrictMode>
-        <BrowserRouter basename={basename}>
-            <App />
-        </BrowserRouter>
+        <I18nProvider>
+            <BrowserRouter basename={basename}>
+                <App />
+            </BrowserRouter>
+        </I18nProvider>
     </React.StrictMode>,
 )