refactor: hookable driver should belong to separate package

Signed-off-by: Bart Jaskulski <bjaskulski@protonmail.com>

src/HookDriver/HookableBundle.php

-<?php
-declare( strict_types=1 );
-
-namespace WPDesk\Init\HookDriver;
-
-interface HookableBundle extends \WPDesk\Init\Bundle\Bundle {
-
-	public static function hookable(): array;
-
-}
\ No newline at end of file

src/HookDriver/HookableDriver.php

-<?php
-declare( strict_types=1 );
-
-namespace WPDesk\Init\HookDriver;
-
-use Psr\Container\ContainerInterface;
-use WPDesk\Init\Configuration\ReadableConfig;
-
-class HookableDriver implements HookDriver {
-
-	public function register_hooks( ReadableConfig $config, array $bundles, ContainerInterface $container ): void {
-		$subscribers = $config->get( 'hookables', [] );
-
-		foreach ( $bundles as $bundle ) {
-			$subscribers = \array_merge( $subscribers, $bundle::hookable() );
-		}
-
-		foreach ( $subscribers as $subscriber ) {
-			$container->get( $subscriber )->hooks();
-		}
-	}
-
-}
\ No newline at end of file