Add gravity flow demo

backend/wordpress/wp-content/plugins/gravityflow-master/includes/steps/class-step-feed-campfire.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * Gravity Flow Step Feed Campfire
+ *
+ * @package     GravityFlow
+ * @subpackage  Classes/Gravity_Flow_Step_Feed_Campfire
+ * @copyright   Copyright (c) 2016-2018, Steven Henty S.L.
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       1.3.1.4
+ */
+
+if ( ! class_exists( 'GFForms' ) ) {
+	die();
+}
+
+/**
+ * Class Gravity_Flow_Step_Feed_Campfire
+ */
+class Gravity_Flow_Step_Feed_Campfire extends Gravity_Flow_Step_Feed_Add_On {
+
+	/**
+	 * The step type.
+	 *
+	 * @var string
+	 */
+	public $_step_type = 'campfire';
+
+	/**
+	 * The name of the class used by the add-on.
+	 *
+	 * @var string
+	 */
+	protected $_class_name = 'GFCampfire';
+
+	/**
+	 * Returns the step label.c
+	 *
+	 * @return string
+	 */
+	public function get_label() {
+		return 'Campfire';
+	}
+
+}
+
+Gravity_Flow_Steps::register( new Gravity_Flow_Step_Feed_Campfire() );