Add updated_at to pages

slices/main/views/pages/show.rb

@@ -12,6 +12,10 @@ module Main
           page.name
         end
 
+        expose :page_updated_at do |page|
+          page.updated_at&.strftime("%m/%d/%Y")
+        end
+
         private_expose :page do |slug:|
           page_repo.fetch!(slug: slug)
         end