feat(laravel): provide a trait in addition to the annotation

[dunglas]

Q	A
Branch?	main
Tickets	n/a
License	MIT
Doc PR	n/a

Provide a more idiomatic way to mark an Eloquent model as an ApiResource (annotations still work!):

namespace App\Models;

use ApiPlatform\Laravel\IsApiResource;
use Illuminate\Database\Eloquent\Model;

class Author extends Model
{
    use IsApiResource;
}