updated link and svg links (#2302)

website/docusaurus.config.js

@@ -70,7 +70,7 @@ module.exports = {
           className: 'header-link button_link',
         },
         {
-          href: 'https://t.me/tezostaquito',
+          href: 'https://discord.gg/JgvVdWV7BN',
           position: 'right',
           className: 'header-link header-discord-link',
           'aria-label': 'Discord',
@@ -114,7 +114,7 @@ module.exports = {
             },
             {
               label: 'Discord',
-              to: 'https://discord.gg/tURNUPwp',
+              to: 'https://discord.gg/JgvVdWV7BN',
             },
             {
               label: 'Twitter',

website/src/css/custom.scss

@@ -19,6 +19,7 @@
   --github-svg: url('../../static/img/githubSVG.svg') no-repeat;
   --github-svg-reverse: url('../../static/img/github-svg-white.svg') no-repeat;
   --telegram-svg: url('../../static/img/telegramSVG.svg') no-repeat;
+  --discord-svg: url('../../static/img/discord-mark-black.svg') no-repeat;
   --brown-secondary: #975b19;
   --background-black: #2e2e2e;
   --brown-third: #885924;
@@ -80,6 +81,7 @@
   --github-svg: url('../../static/img/github-svg-white.svg') no-repeat;
   --github-svg-reverse: url('../../static/img/githubSVG.svg') no-repeat;
   --telegram-svg: url('../../static/img/telegram-svg-white.svg') no-repeat;
+  --discord-svg: url('../../static/img/discord-mark-white.svg') no-repeat;
   --ifm-background-color-secondary: var(--background-black);
   --brown--fourth: rgb(211, 131, 43, 0.6);
   --sidebar-text-color: (var(--white));
@@ -247,7 +249,7 @@ h2 {
 }
 
 .header-discord-link:before {
-  background: var(--telegram-svg);
+  background: var(--discord-svg);
   content: '';
   display: flex;
   height: 24px;