feat(fonts): register Vazirmatn variable font and apply to fa locale

Author: Revisto

assets/css/custom.scss

@@ -251,6 +251,14 @@ blockquote {
   -webkit-appearance: none;
 }
 
+@font-face {
+  font-family: 'Vazirmatn';
+  src: url('/assets/fonts/Vazirmatn-Variable.woff2') format('woff2-variations');
+  font-weight: 100 900;
+  font-style: normal;
+  font-display: swap;
+}
+
 *:lang(fa) {
 .article-body,
  .lead,
@@ -259,4 +267,8 @@ blockquote {
   h3 {
    direction: rtl;  /* Right to Left */
   }
+
+  * {
+   font-family: 'Vazirmatn', sans-serif;
+  }
 }