Set language from URL.

src/pages/Confirmation.tsx

@@ -1,8 +1,17 @@
 import { FormattedMessage } from 'react-intl';
-import { Link } from 'react-router-dom';
+import { Link, useLocation } from 'react-router-dom';
+import { useSetRecoilState } from 'recoil';
+import { currentLanguage } from '../atoms/language';
 import './Confirmation.scss';
+import { getLangFromSearch } from './utils';
 
 export const Confirmation = () => {
+  const { search } = useLocation();
+  const setlang = useSetRecoilState(currentLanguage);
+
+  const lang = getLangFromSearch(search);
+  if (lang != '') setlang(lang);
+
   return (
     <div className='Confirmation'>
       <h1>