add preconnect for google fonts (#76)

This PR updates the Google Fonts integration and adds ⁠`preconnect`
links for faster font loading.

Author: prichodko

index.html

@@ -5,6 +5,8 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title></title>
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="/src/main.css" rel="stylesheet" />
 </head>
 
@@ -13,4 +15,4 @@
     <script type="module" src="/src/main.tsx"></script>
 </body>
 
-</html>
+</html>