Add telegram group to footer icons

.env.sample

@@ -56,3 +56,4 @@ NEXT_PUBLIC_PAYPAL_DONATE_ID=
 NEXT_PUBLIC_PALE_USERNAME=
 NEXT_PUBLIC_GADE_USERNAME=
 NEXT_PUBLIC_YOUTUBE_USERNAME=
+NEXT_PUBLIC_TELEGRAM_GROUP=

lib/rezo-lis.js

@@ -1,5 +1,6 @@
 import TwitterIcon from '@mui/icons-material/Twitter'
 import YouTubeIcon from '@mui/icons-material/YouTube'
+import TelegramIcon from '@mui/icons-material/Telegram'
 
 import PeertubeIcon from './icons/peertube'
 import PleromaIcon from './icons/pleroma'
@@ -8,6 +9,7 @@ const gadeUsername = process.env.NEXT_PUBLIC_GADE_USERNAME || 'oki'
 const paleUsername = process.env.NEXT_PUBLIC_PALE_USERNAME || '@admin'
 const youtubeUsername = process.env.NEXT_PUBLIC_YOUTUBE_USERNAME || 'OrganisationKInternationaleOKi'
 const tiwtterUsername = process.env.NEXT_PUBLIC_TWITTER_USERNAME || 'OrganisationKA'
+const telegramGroup = process.env.NEXT_PUBLIC_TELEGRAM_GROUP || 'OrganisationKA'
 
 export const rezoLis = [
   {
@@ -20,6 +22,11 @@ export const rezoLis = [
     lyen: `https://pale.o-k-i.net/${paleUsername}`,
     icon: <PleromaIcon />
   },
+  {
+    tit: 'Telegram',
+    lyen: `https://t.me/${telegramGroup}`,
+    icon: <TelegramIcon />
+  },
   {
     tit: 'YouTube',
     lyen: `https://www.youtube.com/c/${youtubeUsername}`,