タグ説明移行 (#422) (#423)

Reviewed-on: #423
Co-authored-by: miteruzo <miteruzo@naver.com>

backend/config/routes.rb

@@ -14,6 +14,7 @@ Rails.application.routes.draw do
 
       scope :name do
         get ':name/deerjikists', action: :deerjikists_by_name
+        get ':name/description', to: 'tag_descriptions#show_by_title'
         get ':name/materials', action: :materials_by_name
         get ':name', action: :show_by_name
       end
@@ -25,6 +26,9 @@ Rails.application.routes.draw do
 
       get :deerjikists
       put :deerjikists, action: :update_deerjikists
+
+      get :description, to: 'tag_descriptions#show'
+      put :description, to: 'tag_descriptions#update'
     end
   end
 
@@ -35,7 +39,7 @@ Rails.application.routes.draw do
 
   resources :wiki_pages, path: 'wiki', only: [:index, :show, :create, :update] do
     collection do
-      get :search
+      get :search, action: :index
       get :changes
 
       scope :title do