A Magento 2 module meant to be used in demo purposes

First, you need to add GitHub repository to your composer.json file. You can do it with this command:

composer config repositories.crealoz-terrible-module vcs https://github.com/crealoz/terrible-module.git

Then, you can install the module with the following command:

composer require crealoz/terrible_module

Then, you need to enable the module with the following command:

bin/magento module:enable Crealoz_TerribleModule

And finally, you need to upgrade the database with the following command:

bin/magento setup:upgrade