New: Show indexer categories in Add Indexer modal

frontend/src/Indexer/Add/AddIndexerModal.js

@@ -1,6 +1,7 @@
 import PropTypes from 'prop-types';
 import React from 'react';
 import Modal from 'Components/Modal/Modal';
+import { sizes } from 'Helpers/Props';
 import AddIndexerModalContentConnector from './AddIndexerModalContentConnector';
 import styles from './AddIndexerModal.css';
 
@@ -8,6 +9,7 @@ function AddIndexerModal({ isOpen, onModalClose, onSelectIndexer, ...otherProps
   return (
     <Modal
       isOpen={isOpen}
+      size={sizes.EXTRA_LARGE}
       onModalClose={onModalClose}
       className={styles.modal}
     >