feat: URL 正規化（#208） (#226)

#208

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: #226

backend/spec/requests/wiki_spec.rb

@@ -8,7 +8,9 @@ RSpec.describe 'Wiki API', type: :request do
 
   let!(:tn) { TagName.create!(name: 'spec_wiki_title') }
   let!(:page) do
-    WikiPage.create!(tag_name: tn, created_user: user, updated_user: user)
+    WikiPage.create!(tag_name: tn, created_user: user, updated_user: user).tap do |p|
+      Wiki::Commit.content!(page: p, body: 'init', created_user: user, message: 'init')
+    end
   end
 
   describe 'GET /wiki' do