Refactor package stage handling and update class structures for improved flexibility

src/StaticPHP/ConsoleApplication.php

@@ -13,8 +13,9 @@ use StaticPHP\Command\DownloadCommand;
 use StaticPHP\Command\ExtractCommand;
 use StaticPHP\Command\InstallPackageCommand;
 use StaticPHP\Command\SPCConfigCommand;
-use StaticPHP\Package\PackageLoader;
 use StaticPHP\Package\TargetPackage;
+use StaticPHP\Registry\PackageLoader;
+use StaticPHP\Registry\Registry;
 use Symfony\Component\Console\Application;
 
 class ConsoleApplication extends Application
@@ -29,6 +30,9 @@ class ConsoleApplication extends Application
 
         require_once ROOT_DIR . '/src/bootstrap.php';
 
+        // check registry
+        Registry::checkLoadedRegistries();
+
         /**
          * @var string        $name
          * @var TargetPackage $package