Add Plausible for analytics (#336)

* Add Plausible for analytics

* hash-based routing

Author: cosenal

metriq-newapp/index.html

@@ -320,5 +320,11 @@ <h3 id="detail-title"></h3>
 
     <script src="tour.js"></script>
     <script type="module" src="main.js"></script>
+    <script async src="https://plausible.io/js/pa-NZDaKuu7bMzj-XsNC7Z4e.js"></script>
+    <script>
+      window.plausible=window.plausible||function(){(plausible.q=plausible.q||[]).push(arguments)},plausible.init=plausible.init||function(i){plausible.o=i||{}};
+      plausible.init({ hashBasedRouting: true })
+    </script>
+
   </body>
 </html>