Flow for all the files

frontend/components/Divider/Divider.js

@@ -1,8 +1,9 @@
+// @flow
 import React from 'react';
 
 import styles from './Divider.scss';
 
-const Divider = props => {
+const Divider = () => {
   return <div className={styles.divider}><span /></div>;
 };