add migration to add notification settings to user accounts

priv/repo/migrations/20190525071417_add_non_follows_and_non_followers_fields_to_notification_settings.exs

@@ -0,0 +1,10 @@
+defmodule Pleroma.Repo.Migrations.AddNonFollowsAndNonFollowersFieldsToNotificationSettings do
+  use Ecto.Migration
+
+  def change do
+    execute("""
+    update users set info = jsonb_set(info, '{notification_settings}', '{"local": true, "remote": true, "follows": true, "followers": true, "non_follows": true, "non_followers": true}')
+    where local=true
+    """)
+  end
+end