履歴画面変更（#308） (#315)

Merge branch 'main' into feature/308

#308

#308

#308

#308

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: #315

backend/config/routes.rb

@@ -49,6 +49,7 @@ Rails.application.routes.draw do
     collection do
       get :random
       get :changes
+      get :versions, to: 'post_versions#index'
     end
 
     member do