Added logo to top and removed share buttons.

Did NOT generate doc.

_layouts/website/page.html

@@ -93,6 +93,19 @@
     }
 
     function pageChanged() {
+        var logos = document.querySelectorAll(".nats");
+        if (logos && logos.length == 0) {
+            gitbook.toolbar.createButton({
+                icon: 'nats',
+                label: 'NATS Home Page',
+                position: 'right',
+                onClick: function () {
+                    var win = window.open("https://nats.io/", '_blank');
+                    win.focus();
+                }
+            });
+        }
+
         document.querySelectorAll('.js-copy').forEach(elem => {
             elem.addEventListener("click", function () {
                 var el = this;
@@ -157,6 +170,14 @@
 
 <!-- Styles -->
 <style>
+    .nats {
+        display: inline-block;
+        width: 16px;
+        height: 16px;
+        background: url(nats.svg);
+        background-size: 16px 16px;
+    }
+
     div.graphviz {
         background: transparent;
         border: 0;