Normalize and style config file

Author: siarheipashkevich

config/backup.php

@@ -3,17 +3,14 @@
 return [
 
     'backup' => [
-
         /*
          * The name of this application. You can use this name to monitor
          * the backups.
          */
         'name' => env('APP_NAME', 'laravel-backup'),
 
         'source' => [
-
             'files' => [
-
                 /*
                  * The list of directories and files that will be included in the backup.
                  */
@@ -198,7 +195,6 @@
      * the `Spatie\Backup\Notifications\Notifications` classes.
      */
     'notifications' => [
-
         'notifications' => [
             \Spatie\Backup\Notifications\Notifications\BackupHasFailedNotification::class => ['mail'],
             \Spatie\Backup\Notifications\Notifications\UnhealthyBackupWasFoundNotification::class => ['mail'],
@@ -234,7 +230,6 @@
             'username' => null,
 
             'icon' => null,
-
         ],
 
         'discord' => [
@@ -292,7 +287,6 @@
         'strategy' => \Spatie\Backup\Tasks\Cleanup\Strategies\DefaultStrategy::class,
 
         'default_strategy' => [
-
             /*
              * The number of days for which backups must be kept.
              */