add locale to user settings

priv/repo/migrations/20220505233700_add_locale_setting.exs

@@ -0,0 +1,9 @@
+defmodule Lokal.Repo.Migrations.AddLocaleSetting do
+  use Ecto.Migration
+
+  def change do
+    alter table("users") do
+      add :locale, :string
+    end
+  end
+end