work on forum

app/presenters/forum_topic_presenter.rb

@@ -0,0 +1,12 @@
+class ForumTopicPresenter < Presenter
+  attr_reader :forum_topic, :forum_posts
+  
+  def initialize(forum_topic, forum_posts)
+    @forum_posts = forum_posts
+    @forum_topic = forum_topic
+  end
+  
+  def pagination_html(template)
+    Paginators::ForumTopic.new(forum_topic, forum_posts).numbered_pagination_html(template)
+  end
+end