metrica counter in docs

docs/docinfo-footer.html

@@ -0,0 +1,88 @@
+<!-- Yandex.Metrika counter -->
+<script type="text/javascript" >
+    (function (d, w, c) {
+        (w[c] = w[c] || []).push(function() {
+            try {
+                w.yaCounter43539754 = new Ya.Metrika({
+                    id:43539754,
+                    clickmap:true,
+                    trackLinks:true,
+                    accurateTrackBounce:true,
+                    webvisor:true,
+                    trackHash:true
+                });
+            } catch(e) { }
+        });
+
+        var n = d.getElementsByTagName("script")[0],
+            s = d.createElement("script"),
+            f = function () { n.parentNode.insertBefore(s, n); };
+        s.type = "text/javascript";
+        s.async = true;
+        s.src = "https://mc.yandex.ru/metrika/watch.js";
+
+        if (w.opera == "[object Opera]") {
+            d.addEventListener("DOMContentLoaded", f, false);
+        } else { f(); }
+    })(document, window, "yandex_metrika_callbacks");
+</script>
+<noscript><div><img src="https://mc.yandex.ru/watch/43539754" style="position:absolute; left:-9999px;" alt="" /></div></noscript>
+<!-- /Yandex.Metrika counter -->
+
+<script type="text/javascript" async="">
+    try {
+        var AG_onLoad = function (func) {
+            if (document.readyState === "complete" || document.readyState === "interactive") func();
+            else if (document.addEventListener) document.addEventListener("DOMContentLoaded", func);
+            else if (document.attachEvent) document.attachEvent("DOMContentLoaded", func)
+        };
+        var AG_removeElementById = function (id) {
+            var element = document.getElementById(id);
+            if (element && element.parentNode) {
+                element.parentNode.removeChild(element);
+            }
+        };
+        var AG_removeElementBySelector = function (selector) {
+            if (!document.querySelectorAll) {
+                return;
+            }
+            var nodes = document.querySelectorAll(selector);
+            if (nodes) {
+                for (var i = 0; i < nodes.length; i++) {
+                    if (nodes[i] && nodes[i].parentNode) {
+                        nodes[i].parentNode.removeChild(nodes[i]);
+                    }
+                }
+            }
+        };
+        var AG_each = function (selector, fn) {
+            if (!document.querySelectorAll) return;
+            var elements = document.querySelectorAll(selector);
+            for (var i = 0; i < elements.length; i++) {
+                fn(elements[i]);
+            }
+            ;
+        };
+        var AdFox_getCodeScript = function () {
+        };
+        AG_onLoad(function () {
+            AG_each('iframe[id^="AdFox_iframe_"]', function (el) {
+                if (el && el.parentNode) {
+                    el.parentNode.removeChild(el);
+                }
+            });
+        });
+        try {
+            Object.defineProperty(window, 'noAdsAtAll', {
+                get: function () {
+                    return true;
+                }
+            });
+        } catch (ex) {
+        }
+        window.uabInject = function () {
+        };
+    } catch (ex) {
+        console.error('Error executing AG js: ' + ex);
+    }
+</script>

docs/index.adoc

@@ -8,6 +8,7 @@
 :revnumber: latest
 :icons: font
 :source-highlighter: coderay
+:docinfo: shared
 
 This reference for version: _{revnumber}_