add clarity

overrides/main.html

@@ -8,6 +8,13 @@
     data-website-id="f1dc3cea-d497-49d1-bf7a-f10e8f5390f0"
     data-domains="prmbr.com,docs.prmbr.com"
   ></script>
+  <script type="text/javascript">
+    (function(c,l,a,r,i,t,y){
+        c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)};
+        t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i;
+        y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y);
+    })(window, document, "clarity", "script", "t84clqb3fx");
+</script>
   <script
     async
     src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-7296634171837358"