single page for custom post type in plugin.php

// force use of templates from plugin folder
function cpte_force_template( $template )
{	
    if( is_archive( 'events' ) ) {
        $template = WP_PLUGIN_DIR .'/'. plugin_basename( dirname(__FILE__) ) .'/archive-events.php';
	}
	
	if( is_singular( 'events' ) ) {
        $template = WP_PLUGIN_DIR .'/'. plugin_basename( dirname(__FILE__) ) .'/single-events.php';
	}
	
    return $template;
}
add_filter( 'template_include', 'cpte_force_template' );