refact

lib/service/wiki_service.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class WikiService
+  def initialize(repo) = @repo = repo
+
+  def list(category)         = @repo.list(category)
+  def content(page_id)       = @repo.content(page_id)
+  def page_url(locale, path) = @repo.page_url(locale, path)
+end