Add plausible as an option.

Web/templates/layouts/standard.html.ep

@@ -32,6 +32,11 @@
         <meta http-equiv="refresh" content="<%= $c->stash->{http_refresh} %>">
     % }
 
+    % if ( $c->config->{use_plausible} ) {
+        <!-- Metrics with plausible-->
+        <script defer data-domain="<%= $c->config->{domain_for_links}" src="https://plausible.io/js/script.js"></script>
+    }
+
     <!-- Markdown Editor -->
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.css">
     <script src="https://cdn.jsdelivr.net/simplemde/latest/simplemde.min.js"></script>