document.html in asciidoctor-htmlbook-0.0.5

- old
+ new

@@ -1,10 +1,17 @@
 <!DOCTYPE html>
 <html>
   <head>
     <meta charset="utf-8" />
-    <title>{{ node.header.title }}</title>
+    {% if node.title %}<title>{{ node.title }}</title>{% endif %}
   </head>
   <body data-type="book">
+    {% if node.title %}<h1>{{ node.title }}</h1>{% endif %}
+    {% if node.attributes.toc %}
+      <nav data-type="toc">
+        <h1>{{ node.attributes.toc-title }}</h1>
+        {{ node.toc }}
+      </nav>
+    {% endif %}
     {{ node.content }}
   </body>
 </html>