code: public function onConfigLoaded(array &$config)
      {
          $config[self::PLUGIN_NAME] = $this->loadDefaultConfig($config);
          $this->config = $config[self::PLUGIN_NAME];
          $this->createContainer();
          $this->initLogger();
      }
docs: Pico API event - onConfigLoaded
  
  Validates plugin's configuration from the Pico's configuration file,
  fills it with default values, saves it to the config property.
  Initializes the plugin's dependency container.
  
  @param array $config CMS configuration