* fix babel transform-runtime regenerator required for migrations
* add customer group model
* add migration for customer group
* add customer group model export
* add customer group repository
* add customer group service
* add CustomerGroupRepository to "withTransaction" in CustomerGroupService
* remove unnecessary argument to runtime plugin
* service export ordering
* add create customer group endpoint
* add customergroup to route index in admin
* add customer group service
* add customer groups test
* cleanup
* duplicate error handling
* ducplicate name integration test
* add jsdoc
* customergroup not customer
* pr feedback
* pipeline test
* fix weird merge
Co-authored-by: Sebastian Rindom <skrindom@gmail.com>
