This package is abandoned and no longer maintained. The author suggests using the https://github.com/tasmaniski/laminas-swagger package instead.
There is no license information available for the latest version (v1.0.1) of this package.
Swagger doc for API.
v1.0.1 2020-05-03 07:41 UTC
The module should be registered in config/application.config.php
'modules' => array( '...', 'LaminasSwagger' ),
After composer installation you need to copy config file and change it according to your needs.
cp vendor/tasmaniski/laminas-swagger/config/swagger.global.php.dist config/autoload/swagger.global.php