Fix Carbon localization

AppServiceProvider.php

# app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Carbon;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        /**
         * Set the current translator locale and translations.
         *
         * This macro overrides Carbon\Carbon@setLocale(),
         * because the greek translations have mistakes,
         * and we need to replace them with our own.
         *
         * @link https://github.com/briannesbitt/Carbon/pull/1031
         */
        Carbon::macro('localize', function ($locale) {
            static::translator()->setLocale($locale);
            static::translator()->addResource('array', trans('carbon', [], $locale), $locale);
        });

        Carbon::localize($this->app->getLocale());
    }
}

el-carbon.php

# resources/lang/el/carbon.php
<?php

/*
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

return [
    'year' => '1 χρόνος|:count χρόνια',
    'y' => '1 χρόνος|:count χρόνια',
    'month' => '1 μήνας|:count μήνες',
    'm' => '1 μήνας|:count μήνες',
    'week' => '1 εβδομάδα|:count εβδομάδες',
    'w' => '1 εβδομάδα|:count εβδομάδες',
    'day' => '1 μέρα|:count μέρες',
    'd' => '1 μέρα|:count μέρες',
    'hour' => '1 ώρα|:count ώρες',
    'h' => '1 ώρα|:count ώρες',
    'minute' => '1 λεπτό|:count λεπτά',
    'min' => '1 λεπτό|:count λεπτά',
    'second' => '1 δευτερόλεπτο|:count δευτερόλεπτα',
    's' => '1 δευτερόλεπτο|:count δευτερόλεπτα',
    'ago' => 'πριν από :time',
    'from_now' => 'σε :time από τώρα',
    'after' => ':time μετά',
    'before' => ':time πριν',
];

en-carbon.php

# resources/lang/en/carbon.php
<?php

/*
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

return [
    'year' => '1 year|:count years',
    'y' => '1yr|:countyrs',
    'month' => '1 month|:count months',
    'm' => '1mo|:countmos',
    'week' => '1 week|:count weeks',
    'w' => '1w|:countw',
    'day' => '1 day|:count days',
    'd' => '1d|:countd',
    'hour' => '1 hour|:count hours',
    'h' => '1h|:counth',
    'minute' => '1 minute|:count minutes',
    'min' => '1m|:countm',
    'second' => '1 second|:count seconds',
    's' => '1s|:counts',
    'ago' => ':time ago',
    'from_now' => ':time from now',
    'after' => ':time after',
    'before' => ':time before',
];