gistfile1.txt

function at_define_new_module_type( $types ) {
   $types['your_module_slug'] = array(
		'name' 		=> esc_html__( 'Your New Module Title', 'quadro' ),
		'slug' 		=> 'your_module_slug',
		'img' 		=> 'your_module_slug', // this serves as name for the .png module icon
		'img_path'	=> get_stylesheet_directory_uri() . '/path-inside-child-theme/'
		'desc' 		=> esc_html__( 'Module type description for hover card', 'quadro' ),
	);
   return $types;
}
add_filter( 'qi_filter_available_modules', 'at_define_new_module_type' );