Use 'rated' as default preferred range

priv/repo/migrations/20200216121330_use_rated_as_default_preferred_range.exs

@@ -0,0 +1,17 @@
+defmodule TeslaMate.Repo.Migrations.UseRatedAsDefaultPreferredRange do
+  use Ecto.Migration
+
+  alias TeslaMate.Settings.Range
+
+  def up do
+    alter table(:settings) do
+      modify(:preferred_range, Range.type(), default: "rated", null: false)
+    end
+  end
+
+  def down do
+    alter table(:settings) do
+      modify(:preferred_range, Range.type(), default: "ideal", null: false)
+    end
+  end
+end