fix: stylesheet ref

Author: PabloSanchi

docs/ui/partials/head.hbs

@@ -2,5 +2,5 @@
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>{{#if page.title}}{{page.title}} | {{/if}}{{#if site.title}}{{site.title}}{{else}}Documentation{{/if}}</title>
-<link rel="stylesheet" href="{{uiRootPath}}/assets/styles.css">
-<script defer src="{{uiRootPath}}/assets/site.js"></script>
+<link rel="stylesheet" href="{{siteRootPath}}/_/assets/styles.css">
+<script defer src="{{siteRootPath}}/_/assets/site.js"></script>