public function hooks()
{
add_action('activated_plugin', array($this, 'load_first'));
add_action('admin_init', array($this, 'upgrade'));
add_action('admin_init', array($this, 'init'));
add_action('hmbkp_schedule_hook', array($this, 'schedule_hook_run'));
add_action('admin_enqueue_scripts', array($this, 'scripts'));
add_action('admin_footer-' . HMBKP_ADMIN_PAGE, array($this, 'load_intercom_script'));
add_action('admin_enqueue_scripts', array($this, 'styles'));
}