added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/app/services/additional_posts.rb

@@ -0,0 +1,15 @@
+class AdditionalPosts
+  protected
+
+  def current_ability
+    @current_ability ||= Ability.new(user)
+  end
+
+  def add_last_new_posts(number, followed_ids)
+    Post.where(_type: "Post")
+      .not_in(_id: followed_ids)
+      .order(created_at: :desc)
+      .to_a
+      .first(number)
+  end
+end