Add switch language button on footer

client/src/components/Dashboard/Statistics.js

@@ -1,6 +1,6 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
-import { Trans } from 'react-i18next';
+import { Trans, withNamespaces } from 'react-i18next';
 
 import Card from '../ui/Card';
 import Line from '../ui/Line';
@@ -107,4 +107,4 @@ Statistics.propTypes = {
     refreshButton: PropTypes.node.isRequired,
 };
 
-export default Statistics;
+export default withNamespaces()(Statistics);