Restore cookie consent for docs (#8727)

docs/_includes/head_custom.html

@@ -17,6 +17,10 @@
 <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.1/jquery.min.js" crossorigin="anonymous"></script>
 <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/jqueryui/1.13.2/themes/smoothness/jquery-ui.css">
 <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.13.2/jquery-ui.min.js"></script>
+<!-- Start of hs embed code -->
+<script type="text/javascript" id="hs-script-loader" async defer src="//js.hs-scripts.com/8040338.js"></script>
+<!-- End of hs embed Code -->
+
 <!--<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/orestbida/[email protected]/dist/cookieconsent.css">-->
 <!--<link rel="stylesheet" href="{{ site.baseurl }}/assets/css/cookieconsent.css" />-->
 <!--<script type="module" src="{{ site.baseurl }}/assets/js/cookieconsent-init.js"></script>-->