Add GoatCounter code to count pageviews

src/index.htm.twig

@@ -412,5 +412,13 @@
       </div>
     </div>
 
+    <!-- Count pageviews with GoatCounter -->
+    <script>
+      window.goatcounter = {
+          path: function(p) { return '[' + location.host + ']' + p }
+      }
+    </script>
+    <script data-goatcounter="https://stats.snipettemag.com/count" async src="//stats.snipettemag.com/count.js"></script>
+
   </body>
 </html>