Function Include:
- Update Version
- Create a Frontend Page
- Create a Backend Page
- Create a data module, Create a 'Backend Model Manager' for add delete change search this data module.
- Add new category attribute
- Add new customer attribute
- Add new customer address attribute
- Add new sales attribute
- Run sql in the magento database
- Run installing php code in the magento system
- Add Magento 2 Event
- Add New Shipping Method
- Add Magento Cron Job
- Add Magento 2 plugin
- Add Magento 2 widget
- Add Magento 2 console command
- Add Magento 2 language csv file
- Add New Order Total (fee or discount)
- Rewrite Magento 2 Class (Helper , Block , Model and Controller)