Add watched at to movies

db/migrate/20230510105852_add_added_at_to_movies.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+ROM::SQL.migration do
+  change do
+    alter_table :movies do
+      add_column :watched_at, :date
+    end
+  end
+end