Add the ability to put actions at the bottom of the show page in administrate

app/views/admin/application/show.html.erb

@@ -0,0 +1,72 @@
+<%#
+# Show
+
+This view is the template for the show page.
+It renders the attributes of a resource,
+as well as a link to its edit page.
+
+## Local variables:
+
+- `page`:
+  An instance of [Administrate::Page::Show][1].
+  Contains methods for accessing the resource to be displayed on the page,
+  as well as helpers for describing how each attribute of the resource
+  should be displayed.
+
+[1]: http://www.rubydoc.info/gems/administrate/Administrate/Page/Show
+%>
+
+<style>
+    .main-content {
+        display: flex;
+        flex-direction: column;
+    }
+</style>
+
+<% content_for(:title) { t("administrate.actions.show_resource", name: page.page_title) } %>
+
+<header class="main-content__header">
+  <h1 class="main-content__page-title">
+    <%= content_for(:title) %>
+  </h1>
+
+  <div>
+    <%= link_to(
+          t("administrate.actions.edit_resource", name: page.page_title),
+          [:edit, namespace, page.resource],
+          class: "button",
+        ) if accessible_action?(page.resource, :edit) %>
+
+    <%= link_to(
+          t("administrate.actions.destroy"),
+          [namespace, page.resource],
+          class: "button button--danger",
+          method: :delete,
+          data: { confirm: t("administrate.actions.confirm") }
+        ) if accessible_action?(page.resource, :destroy) %>
+  </div>
+</header>
+
+<section class="main-content__body">
+  <dl>
+    <% page.attributes.each do |attribute| %>
+      <dt class="attribute-label" id="<%= attribute.name %>">
+        <%= t(
+              "helpers.label.#{resource_name}.#{attribute.name}",
+              default: page.resource.class.human_attribute_name(attribute.name),
+            ) %>
+      </dt>
+
+      <dd class="attribute-data attribute-data--<%= attribute.html_class %>"
+      ><%= render_field attribute, page: page %></dd>
+    <% end %>
+  </dl>
+</section>
+
+<section class="main-content__body">
+  <% actions_template = "admin/#{page.resource.class.name.downcase}/actions" %>
+
+  <% if lookup_context.template_exists?(actions_template, [], true) %>
+    <%= render actions_template %>
+  <% end %>
+</section>