New file/folder menu on toolbar (#2452)

frontend/src/components/menu-control.js

@@ -0,0 +1,19 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+const propTypes = {
+  isShow: PropTypes.bool.isRequired,
+};
+
+class MenuControl extends React.Component {
+ 
+  render() {
+    return (
+      <i className={`fas fa-ellipsis-v ${this.props.isShow ? '' : 'hide'}`} onClick={this.props.onClick}></i>
+    );
+  }
+}
+
+MenuControl.propTypes = propTypes;
+
+export default MenuControl;