added task to just download posts from the queue

lib/tasks/import.rake

···
 
   importer.run_import(ENV['UNTIL'])
 end
+
+task :process_posts do
+  queue = LikeQueue.new(Like.where(post: nil).to_a)
+  report = ImportReport.new
+
+  downloader = PostDownloader.new
+  downloader.report = report
+  downloader.import_from_queue(queue)
+end