Add changelog entry for hashtag following

[akkoma] / priv / repo / migrations / 20200602125218_backfill_notification_types.exs

defmodule Pleroma.Repo.Migrations.BackfillNotificationTypes do
  use Ecto.Migration

  def up do
    Pleroma.MigrationHelper.NotificationBackfill.fill_in_notification_types()
  end

  def down do
  end
end