Added i18n

app/pages/_app.js

@@ -1,5 +1,7 @@
+import { appWithTranslation } from 'next-i18next'
 import { createTheme, ThemeProvider } from '@mui/material/styles'
 import { CssBaseline } from '@mui/material'
+
 import 'reset-css'
 import '../styles/global.scss'
 import Layout from '../components/layout'
@@ -21,4 +23,4 @@ function App ({ Component, pageProps }) {
   )
 }
 
-export default App
+export default appWithTranslation(App)