Add footer preview and footer to default preview layout

Author: A-Wheeto

app/views/layouts/view_component_preview.html.erb

@@ -8,5 +8,6 @@
 <% end -%>
 
 <% @cms_header = Cms::Singles::Header.get() %>
+<% @cms_footer = Cms::Singles::Footer.get() %>
 
 <%= render 'layouts/base' %>

previews/components/cms/footer_component_preview.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class Cms::FooterComponentPreview < ViewComponent::Preview
+  layout "view_component_preview"
+
+  def default
+    render(Cms::RichTextBlockComponent.new(blocks:
+      [
+        {
+          type: "heading",
+          level: 1,
+          children: [
+            {type: "text", text: "Footer Preview"}
+          ]
+        },
+        {
+          type: "paragraph",
+          children: [
+            {type: "text", text: "This footer, and all link blocks in previews are loaded from Strapi"}
+          ]
+        }
+      ]))
+  end
+end