Add pagination at backend index page

app/models/archive_file.rb

@@ -27,7 +27,7 @@ class ArchiveFile
   field :rss2_sn
   
   # scope :can_display,where(is_hidden: false)
-  scope :can_display, ->{where(is_hidden: false).asc(:sort_number, :title).desc(:is_top)}
+  scope :can_display, ->{where(is_hidden: false).order_by(:is_top=>-1, :sort_number=>1, :title=>1)}
 
   # belongs_to :archive_file_category
 

app/views/admin/archive_files/_index.html.erb

@@ -27,4 +27,10 @@
 		</tr>
 	<% end %>
 	</tbody>
-</table>
+</table>
+
+<%=
+  content_tag :div, class: "bottomnav clearfix" do
+    content_tag :div, paginate(@archives), class: "pagination pagination-centered"
+  end
+%>