Add Twitter link to index

pages/index.js

@@ -7,6 +7,7 @@ import GroupIcon from '@material-ui/icons/Group'
 import MusicNoteIcon from '@material-ui/icons/MusicNote'
 import {Pleroma, Peertube} from '@icons-pack/react-simple-icons'
 import TelegramIcon from '@material-ui/icons/Telegram'
+import TwitterIcon from '@material-ui/icons/Twitter'
 
 import KatKayLa from '../components/kat-kay-la'
 import HeadLayout from '../components/head-layout'
@@ -29,6 +30,12 @@ const useStyles = makeStyles(theme => ({
 }))
 
 const REZO = [
+  {
+    id: 'twitter',
+    tit: 'Twitter',
+    icon: <TwitterIcon />,
+    link: `https://twitter.com/${TWITTER_USERNAME}`
+  },
   {
     id: 'telegram',
     tit: 'Telegram',