README

Composer installation steps:

1. composer require exxtra/sub-categories
2. bin/magento setup:upgrade

Composer uninstallation steps:

1. composer remove exxtra/sub-categories
2. bin/magento setup:upgrade

User Guide:

Under Catalog -> Categories click on the category you want to show the subcategories on. Next click on display settings-> and enable show subcategories

Keynotes: If Category image is not set it shows the default placeholder Image Module comes with css that is being injected in styles-i

Tested on Magento 2.3.1 & 2.3.2 and PHP 7.2 This module does not work with PHP 5.*

TROUBLESHOOTING:

If the setting subcategories doesn't save after you've set it to yes it means the database table entry didn't go succesfull. To fix this open the database table setup_module and delete exxtra_subcategories. Afterwards do a bin/magento setup:upgrade and you now will see the attributes listed in the table eav_attribute

Issue may come forward after you've deleted the module and install it again this bug needs to be addressed in the future through a new file Setup/UpgradeData.php