[CALCITE-6610] ASF matomo integration for website analytics

The analytics will be available under: https://analytics.apache.org/

Close apache#3993

site/_includes/top.html

@@ -8,4 +8,21 @@
   <link rel="stylesheet" href="//fonts.googleapis.com/css?family=Lato:300,300italic,400,400italic,700,700italic,900">
   <link rel="stylesheet" href="{{ site.baseurl }}/css/screen.css">
   <link rel="icon" type="image/x-icon" href="{{ site.baseurl }}/favicon.ico">
+  <!-- Matomo -->
+  <script>
+      var _paq = window._paq = window._paq || [];
+      /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+      _paq.push(["setDoNotTrack", true]);
+      _paq.push(["disableCookies"]);
+      _paq.push(['trackPageView']);
+      _paq.push(['enableLinkTracking']);
+      (function() {
+          var u="https://analytics.apache.org/";
+          _paq.push(['setTrackerUrl', u+'matomo.php']);
+          _paq.push(['setSiteId', '64']);
+          var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+          g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s);
+      })();
+  </script>
+  <!-- End Matomo Code -->
 </head>