implement i18n

src/pages/_app.jsx

@@ -1,9 +1,12 @@
 /* eslint-disable react/jsx-props-no-spreading */
 import { SWRConfig } from "swr";
+
 import "styles/globals.css";
 import "styles/weather-icons.css";
 import "styles/theme.css";
 
+import "utils/i18n";
+
 function MyApp({ Component, pageProps }) {
   return (
     <SWRConfig