Show countries for delivery process forms. Refactor countries.

backend/app/plugins/wiaas/includes/db-updates/wiaas-db-update-ui-fields.php

@@ -45,6 +45,15 @@ function wiaas_db_update_add_product_properties_ui_fields() {
 	_wiaas_import_field_group($ui_json);
 }
 
+function wiaas_db_update_add_country_settings_ui_fields() {
+
+	$ui_json = file_get_contents( dirname( __FILE__ ) . '/data/wiaas-ui-field-country-settings.json' );
+
+	$ui_json = json_decode( $ui_json, true );
+
+	_wiaas_import_field_group($ui_json);
+}
+
 
 // private helper function