Refactor templates to be more structured

templates/snip/edit.html.twig

@@ -1,6 +1,6 @@
-{% extends 'base/base.html.twig' %}
+{% extends 'base/single.column.html.twig' %}
 
-{% block title %}Edit {{ snip }}{% endblock %}
+{% set title %}Edit {{ snip }}{% endset %}
 
 {% block body %}
     {% if snip.id %}
@@ -13,6 +13,5 @@
         <i class="fa fa-list"></i>
         Index
     </a><br><br>
-    <h2>Editing {{ snip }}</h2>
     {{ form(form) }}
 {% endblock %}

templates/snip/index.html.twig

@@ -1,9 +1,6 @@
-{% extends 'base/base.html.twig' %}
-
-{% block title %}{{ title }}{% endblock %}
+{% extends 'base/single.column.html.twig' %}
 
 {% block body %}
-    <h1>{{ title }}</h1>
     <a class="btn btn-success" href="{{ path('snip_new') }}">
         <i class="fa fa-plus"></i> Add
     </a>

templates/snip/single.html.twig

@@ -1,6 +1,6 @@
-{% extends 'base/base.html.twig' %}
+{% extends 'base/single.column.html.twig' %}
 
-{% block title %}Snip {{ snip }}{% endblock %}
+{% set title %}Snip {{ snip }}{% endset %}
 
 {% block body %}
     <a href="{{ path('snip_index') }}" class="btn btn-primary">