Implement error page

[suotas]

overview

Add various error pages provided by Laravel.

goal

should be able to use "abort(404, 'Not Found');" to get to the error page.

body

Use "php artisan vendor:publish --tag=laravel-errors" command to generate various error pages.

tasks

• [x] php artisan vendor:publish --tag=laravel-errors
• [x] Make sure you can go to the error page