init kaminari

app/controllers/admin/result_controller.rb

@@ -14,6 +14,7 @@ module Admin
       @candidates = Candidate.where(completed: true)
                              .includes(:recruiter)
                              .order("#{sort_column} #{sort_direction}")
+                             .page(params[:page])
     end
 
     def view

app/views/admin/result/index.html.erb

@@ -24,4 +24,5 @@
       </tr>
     <% end %>
   </table>
+  <%= paginate @candidates %>
 </main>