rename hugo template

ansibledoctor/templates/hugo-book/_toc.j2

@@ -1,5 +1,3 @@
-## Table of content
-
 {% set var = role.var | default({}) %}
 {% if var %}
 * [Default Variables](#default-variables)
@@ -8,7 +6,5 @@
 {% endfor %}
 {% endif %}
 * [Dependencies](#dependencies)
-* [License](#license)
-* [Author](#author)
 
 ---

ansibledoctor/templates/hugo-book/index.md.j2

@@ -1,8 +1,10 @@
+{% if not append | deep_get(role, "internal.append") %}
 {% set meta = role.meta | default({}) %}
 ---
-title: {{ meta.name.value | save_join(" ") }} 
+title: {{ meta.name.value | save_join(" ") }}
+type: docs
 ---
-
+{% endif %}
 {% if description | deep_get(meta, "description.value") %}
 {{ meta.description.value | save_join(" ") }}
 {% endif %}