Preload Inter font to avoid FOIT on slow connections

src/vector/index.html

@@ -49,6 +49,15 @@
            <link rel="stylesheet" href="<%= file %>">
         <% }
     } %>
+
+    <% for (var i=0; i < htmlWebpackPlugin.tags.headTags.length; i++) {
+        var tag = htmlWebpackPlugin.tags.headTags[i];
+        var path = tag.attributes && tag.attributes.href;
+        if (path.indexOf("Inter") !== -1) { %>
+            <link rel="preload" as="font" href="<%= path %>" crossorigin="anonymous"/>
+        <% }
+    } %>
+
   </head>