Update index.html

in the process of moving assets to repository instead of a.thered.sh

Author: TheRedXD

index.html

@@ -6,9 +6,9 @@
     <meta http-equiv="x-ua-compatible" content="ie=edge" />
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
     <title>is-a.dev | Free sub-domains for developers</title>
-    <link rel="stylesheet" href="https://a.thered.sh/assets/fonts/Roboto/font.css">
-    <link rel="stylesheet" href="https://a.thered.sh/assets/fonts/UbuntuMono/font.css">
-    <link rel="stylesheet" href="https://a.thered.sh/assets/fa/css/all.min.css">
+    <link rel="stylesheet" href="/fonts/Roboto/font.css">
+    <link rel="stylesheet" href="/fonts/UbuntuMono/font.css">
+    <link rel="stylesheet" href="/fa/css/all.min.css">
     <style>
         html,
         body {