moved Pleroma.Stats to Oban Periodic jobs

lib/pleroma/workers/cron/stats_worker.ex

@@ -0,0 +1,16 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Workers.Cron.StatsWorker do
+  @moduledoc """
+  The worker to update peers statistics.
+  """
+
+  use Oban.Worker, queue: "background"
+
+  @impl Oban.Worker
+  def perform(_opts, _job) do
+    Pleroma.Stats.do_collect()
+  end
+end