feat: scale the scheme details page by 2/3 to match the locations list page

app/views/schemes/show.html.erb

@@ -10,20 +10,25 @@
 
 <%= render partial: "organisations/headings", locals: { main: @scheme.service_name, sub: nil } %>
 
-<%= render SubNavigationComponent.new(items: scheme_items(request.path, @scheme.id, "Locations")) %>
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds-from-desktop"> 
+    <%= render SubNavigationComponent.new(items: scheme_items(request.path, @scheme.id, "Locations")) %>
 
-<h2 class="govuk-visually-hidden">Scheme</h2>
+    <h2 class="govuk-visually-hidden">Scheme</h2>
 
-<%= govuk_summary_list do |summary_list| %>
-  <% display_scheme_attributes(@scheme).each do |attr| %>
-    <% next if current_user.data_coordinator? && attr[:name] == ("Housing stock owned by") %>
-    <%= summary_list.row do |row| %>
-      <% row.key { attr[:name].eql?("Registered under Care Standards Act 2000") ? "Registered under Care Standards Act 2000" : attr[:name].to_s.humanize } %>
-      <% row.value { attr[:name].eql?("Status") ? status_tag(attr[:value]) : details_html(attr) } %>
-      <% row.action(text: "Change", href: scheme_edit_name_path(scheme_id: @scheme.id)) if attr[:edit] %>
+    <%= govuk_summary_list do |summary_list| %>
+      <% display_scheme_attributes(@scheme).each do |attr| %>
+        <% next if current_user.data_coordinator? && attr[:name] == ("Housing stock owned by") %>
+        <%= summary_list.row do |row| %>
+          <% row.key { attr[:name].eql?("Registered under Care Standards Act 2000") ? "Registered under Care Standards Act 2000" : attr[:name].to_s.humanize } %>
+          <% row.value { attr[:name].eql?("Status") ? status_tag(attr[:value]) : details_html(attr) } %>
+          <% row.action(text: "Change", href: scheme_edit_name_path(scheme_id: @scheme.id)) if attr[:edit] %>
+        <% end %>
+      <% end %>
     <% end %>
-  <% end %>
-<% end %>
+
+  </div>
+</div>
 
 <% if FeatureToggle.scheme_toggle_enabled? %>
   <% if @scheme.active? || @scheme.reactivating_soon? %>
@@ -31,4 +36,4 @@
   <% else %>
     <%= govuk_button_link_to "Reactivate this scheme", scheme_new_reactivation_path(@scheme) %>
   <% end %>
-<% end %>
+<% end %>