code: public static function boot(ConfigurationHandler $configurationHandler)
      {
          $pluginDirs = $configurationHandler->pluginFolders();
          foreach ($pluginDirs as $pluginDir) {
              self::$blocks += self::parse($pluginDir);
          }
      }
docs: Boots the factory
  
  @param \RedKiteCms\Configuration\ConfigurationHandler $configurationHandler