Re-instate code syntax highlighting and remove layout-debug view

CHANGELOG.md

@@ -32,6 +32,8 @@ Internal:
 
 - Update publishing docs (PR [#651](https://github.com/alphagov/govuk-frontend/pull/651))
 - Wrap `app.css` in conditional comments in review app layout (PR [#653](https://github.com/alphagov/govuk-frontend/pull/653))
+- Fix missing code highlight and remove duplicate layout
+(PR [#663](https://github.com/alphagov/govuk-frontend/pull/663))
 
 ## 0.0.28-alpha (Breaking release)
 

app/views/layouts/_generic.njk

@@ -14,6 +14,8 @@
   <!--[if IE 8]>
   <link rel="stylesheet" href="/public/css/app-old-ie.css">
   <![endif]-->
+  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/prism/1.6.0/themes/prism.min.css">
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/prism/1.6.0/prism.min.js"></script>
   {% block styles %}
   {% endblock %}
 </head>

app/views/layouts/component.njk

@@ -1,6 +1,8 @@
 {% set componentName = componentPath %}
 {% extends "full-width.njk" %}
-
+{% block bodyClasses %}
+language-markup
+{% endblock %}
 {% block content %}
 
 {% set componentName = componentPath %}

app/views/layouts/index.njk

@@ -1,4 +1,4 @@
-{% extends "layout-debug.njk" %}
+{% extends "layout.njk" %}
 
 {% block content %}
   <div class="govuk-main-wrapper">