Great article,
you may add details about polymorphic relations, as well.
I also write about Laravel development. Here I explained about Laravel authorization:
https://medium.com/swlh/laravel-authorization-and-roles-permission-management-6d8f2043ea20
and another article about Laravel localization:
https://medium.com/swlh/laravel-localization-and-multi-language-functionality-in-web-554ca8dfa7e8

I’ll be glad to share ideas with each other