add treeview for docs

themes/project/layouts/partials/docs/html-head.html

@@ -23,3 +23,5 @@
 Made with Book Theme
 https://github.com/alex-shpak/hugo-book
 {{ "-->" | safeHTML }}
+
+<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/jstree/3.3.4/themes/default/style.min.css" />

themes/project/layouts/partials/docs/menu.html

@@ -3,7 +3,9 @@
 {{ partial "docs/inject/menu-before" . }}
 
 {{ if .Site.Params.BookMenuBundle }}
+<div id="docstreeview">
     {{ partial "docs/menu-bundle" . }}
+</div>
 {{ else }}
     {{ partial "docs/menu-filetree" . }}
 {{ end }}

themes/project/layouts/partials/scripts.html

 {{ template "_internal/google_analytics.html" . }}
 <script src="//code.jquery.com/jquery-3.1.1.min.js" integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8=" crossorigin="anonymous"></script>
 <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
+<script src="//cdnjs.cloudflare.com/ajax/libs/jstree/3.3.4/jstree.min.js"></script>
 
 <script src="//cdnjs.cloudflare.com/ajax/libs/jquery-cookie/1.4.1/jquery.cookie.min.js"></script>
 <script src="//cdnjs.cloudflare.com/ajax/libs/waypoints/4.0.1/jquery.waypoints.min.js"></script>
@@ -17,3 +18,15 @@
 
 <!-- owl carousel -->
 <script src="{{ .Site.BaseURL }}js/owl.carousel.min.js"></script>
+
+<script type="text/javascript">
+    $(document).ready(function(){
+        $('#docstreeview').jstree();
+        $('#docstreeview').jstree().open_all();
+        $('#docstreeview').jstree().hide_dots();
+        $('#docstreeview').jstree().hide_icons();
+        $('#docstreeview').on("changed.jstree", function(e, data) {
+            location.href=data.node.a_attr.href;
+        });
+      });
+</script>

themes/project/static/css/custom.css

@@ -348,7 +348,12 @@ footer .notice span {
 }
 
 #error-page .box {
-  margin-top: 60px;
+  margin-top: 148px;
+  margin-bottom: 148px;
+}
+
+.jstree-default .jstree-anchor {
+  height: 35px !important;
 }
 
 html {