Use external clarity script

src/routes/+layout.svelte

@@ -38,6 +38,8 @@
         data-website-id="72ac01ce-e7fc-4582-8593-703f15add8d5"
     ></script>
     <script defer src="/assets/js/umami-helper.js"></script>
+    <!-- Microsoft Clarity -->
+    <script defer src="https://www.clarity.ms/tag/vuo5q3yf79?ref=bwt"></script>
 
     <title>{merged.title}</title>
     <meta name="description" content={merged.description ?? ''} />
@@ -149,7 +151,6 @@
 
     <script src="/assets/js/copyright-year.js" defer></script>
     <script src="/assets/js/mobile-menu-helper.js" defer></script>
-    <script src="/assets/js/clarity.js" defer></script>
 </svelte:head>
 
 <a href="#main" class="skip-link" data-umami-event="skip to main content"