feature: add Icons in sidebar items

app/constants/sidebar.js

@@ -1,28 +1,48 @@
 // @flow
+import React from 'react';
+import { FaThLarge, FaCode } from 'react-icons/fa';
+import { IoIosSend } from 'react-icons/io';
+import { TiDownload } from 'react-icons/ti';
+import { MdSettings, MdTransform } from 'react-icons/md';
 
 import {
-  DASHBOARD_ROUTE, SEND_ROUTE, RECEIVE_ROUTE, SETTINGS_ROUTE, CONSOLE_ROUTE,
+  DASHBOARD_ROUTE,
+  SEND_ROUTE,
+  RECEIVE_ROUTE,
+  SETTINGS_ROUTE,
+  CONSOLE_ROUTE,
+  TRANSACTIONS_ROUTE,
 } from './routes';
 
 export const MENU_OPTIONS = [
   {
     label: 'Dashboard',
     route: DASHBOARD_ROUTE,
-  },
-  {
-    label: 'Send',
-    route: SEND_ROUTE,
-  },
-  {
-    label: 'Receive',
-    route: RECEIVE_ROUTE,
+    icon: <FaThLarge />,
   },
   {
     label: 'Console',
     route: CONSOLE_ROUTE,
+    icon: <FaCode />,
+  },
+  {
+    label: 'Send',
+    route: SEND_ROUTE,
+    icon: <IoIosSend />,
+  },
+  {
+    label: 'Receive',
+    route: RECEIVE_ROUTE,
+    icon: <TiDownload />,
+  },
+  {
+    label: 'Transactions',
+    route: TRANSACTIONS_ROUTE,
+    icon: <MdTransform />,
   },
   {
     label: 'Settings',
     route: SETTINGS_ROUTE,
+    icon: <MdSettings />,
   },
 ];