Instance rules

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

priv/repo/migrations/20220203224011_create_rules.exs

@@ -0,0 +1,12 @@
+defmodule Pleroma.Repo.Migrations.CreateRules do
+  use Ecto.Migration
+
+  def change do
+    create_if_not_exists table(:rules) do
+      add(:priority, :integer, default: 0, null: false)
+      add(:text, :text, null: false)
+
+      timestamps()
+    end
+  end
+end