add mastodon icon

source/css/atoms/icons.pcss

 @font-face {
   font-family: 'pirati-ui';
-  src:  url('../fonts/pirati-ui.eot?32zfqp');
-  src:  url('../fonts/pirati-ui.eot?32zfqp#iefix') format('embedded-opentype'),
-    url('../fonts/pirati-ui.ttf?32zfqp') format('truetype'),
-    url('../fonts/pirati-ui.woff?32zfqp') format('woff'),
-    url('../fonts/pirati-ui.svg?32zfqp#pirati-ui') format('svg');
-  font-weight: normal;
+  src:  url('../fonts/pirati-ui.eot?964zxx');
+  src:  url('../fonts/pirati-ui.eot?964zxx#iefix') format('embedded-opentype'),
+    url('../fonts/pirati-ui.ttf?964zxx') format('truetype'),
+    url('../fonts/pirati-ui.woff?964zxx') format('woff'),
+    url('../fonts/pirati-ui.svg?964zxx#pirati-ui') format('svg');
+font-weight: normal;
   font-style: normal;
   font-display: block;
 }