Move analytics into separate files

layouts/partials/paige/analytics/clicky.html

@@ -0,0 +1,15 @@
+{{ $page := . }}
+
+{{ with $page.Param "paige.analytics.clicky" }}
+    <script type="text/javascript">
+    var clicky_site_ids = clicky_site_ids || [];
+    clicky_site_ids.push("{{ .account_id | safeJS }}");
+    (function() {
+        var s = document.createElement('script');
+        s.type = 'text/javascript';
+        s.async = true;
+        s.src = 'https://static.getclicky.com/js';
+        (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(s);
+    })();
+    </script>
+{{ end }}