fix(indices): liquid variables in titles

Author: fabianrbz

app/_includes/indices.html

@@ -14,7 +14,7 @@
   {% for section in group.sections %}{% unless section.hidden %}
     <div class="flex flex-col gap-5 heading-section card p-6 rounded-lg shadow-primary">
       {% if section.title %}
-      <h3 id="{% if group.title %}{{ group.title | slugify }}--{% endif %}{{ section.title | slugify }}" class="always-link mb-2" data-skip-process-heading-id="true">{{ section.title | liquify }}</h3>
+      <h3 id="{% if group.title %}{{ group.title | liquify | slugify }}--{% endif %}{{ section.title | liquify | slugify }}" class="always-link mb-2" data-skip-process-heading-id="true">{{ section.title | liquify }}</h3>
       {% endif %}
 
       <div class="content">

app/_plugins/generators/indices.rb

@@ -219,7 +219,8 @@ def template
     def render(index, groups, site)
       context = {
         'index' => index,
-        'groups' => groups
+        'groups' => groups,
+        'site' => site.config
       }
       Liquid::Template.parse(template).render(context, registers: { site: site })
     end