add application key to submitters

db/migrate/20231017213639_add_application_id_to_submitters.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddApplicationIdToSubmitters < ActiveRecord::Migration[7.0]
+  def change
+    add_column :submitters, :application_key, :string
+  end
+end