タグの合併処理追加（#282） (#284)

#282

#282

#282

#282

#282

#282

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: #284

backend/app/models/wiki_revision.rb

@@ -7,7 +7,7 @@ class WikiRevision < ApplicationRecord
   has_many :wiki_revision_lines, dependent: :delete_all
   has_many :wiki_lines, through: :wiki_revision_lines
 
-  enum :kind, { content: 0, redirect: 1 }
+  enum :kind, content: 0, redirect: 1
 
   validates :kind, presence: true
   validates :lines_count, numericality: { only_integer: true, greater_than_or_equal_to: 0 }