fix(index): remove preload from script

Author: luiskcs89

src/index.html

@@ -27,7 +27,7 @@
   <link rel="icon" type="image/x-icon" href="/assets/icon/favicon.ico">
   <link rel="manifest" href="/manifest.json">
 
-  <script rel="preload" src="/build/app.js" as="script"></script>
+  <script src="/build/app.js" rel="script"></script>
   <link href='/assets/fonts/Roboto.css' rel='stylesheet'>
   <link href="/assets/fonts/Muli.css" rel="stylesheet">
   <!-- <link rel='stylesheet' href="/build/app.css"> Should have this; but it breaks smooth scroll -->