Feat: enable create multiple pools of executors

[komtcho]

Enable create executors in packages.

You can add to boot at any Service Provider

use Pharaonic\Laravel\Executor\Facades\ExecutorPool;

ExecutorPool::addPath(base_path('executors'));
// OR
ExecutorPool::addPath(__DIR__ . '/executors');

[MoamenEltouny]

@komtcho Thank you so much

[Moemen-Gaballah]

@komtcho
Thank you so much
// OR ExecutorPool::addPath(__DIR__ . '/../../executors');