toolkit plugin

<?php
/*
Plugin name: seo toolkit
*/
// Exit if accessed directly

if ( ! defined('ABSPATH')){
    exit;
}

// Define
define('SEO_ACC_URL', WP_PLUGIN_URL .'/'. plugin_basename( dirname( __FILE__ )) .'/' );
define( 'SEO_ACC_PATH', plugin_dir_path( __FILE__ ) );

add_action('init', 'my_theme_custom_post');
function my_theme_custom_post(){
    register_post_type('testimonial',
     array(
        'labels' => array(
        'name' => __('Testimonials'),
        'singular_name' => __('Testimonial')
        ),
        'supports' => array(
        'title', 'editor', 'thumbnail', 'page-attributes'),
        'public' => false,
        'show_ui' => true,
     )
    );
}

//Print shortcodes in widgets
add_filter('widget_text', 'do_shortcode');

// Loading VC addons
require_once( SEO_ACC_PATH . 'vc-addons/vc-blocks-load.php');

// Theme shortcodes
require_once( SEO_ACC_PATH . 'theme-shortcodes/slides-shortcode.php' );

// Shortcodes depended on Visual Composer
include_once( ABSPATH . 'wp-admin/includes/plugin.php');
if (is_plugin_active('js_composer/js_composer.php')){
    require_once( SEO_ACC_PATH . 'theme-shortcodes/staff-shortcode.php' );
}

// Registering stock toolkit files
function seo_toolkit_files(){
wp_enqueue_style('owl-carousel', plugin_dir_url( __FILE__ ) . 'assets/css/owl-carousel.css');
wp_enqueue_script( 'owl-carousel', plugin_dir_url( __FILE__) . 'assets/js/owl-carousel.min.js', array('jquery'),'20120206', true);
}
add_action('wp_enqueue_scripts', 'seo_toolkit_files');