Referensi dari https://www.wahyunanangwidodo.com/2020/07/membuat-autentikasi-jwt-json-web-token-di-laravel.html
menggunakan PHP 7.4, Laravel 7,
https://cerwyn.medium.com/laravel-generalizing-api-response-error-handling-85646a195fea
https://artisansweb.net/how-to-upload-images-to-another-server-through-ftp-in-laravel/
documentation : https://github.com/barryvdh/laravel-dompdf