React admin / Templates
https://marmelab.com/react-admin/doc/2.8/Authentication.html
https://github.com/marmelab/react-admin
https://marmelab.com/ra-enterprise-demo
https://github.com/bmihelac/ra-data-django-rest-framework
https://github.com/PanJiaChen/vue-element-admin
Admin Templates
https://www.templatemonster.com