code: protected function loadModules()
      {
          foreach ($this->config["authModules"] as $name) {
              try {
                  $instance = $this->container->get($name);
              } catch (\League\Container\Exception\NotFoundException $e) {
                  if (!class_exists($name)) {
                      throw new \RuntimeException("PicoAuth module not found: " . $name);
                  }
                  $instance = new $name;
              }
  
              if (!is_subclass_of($instance, Module\AbstractAuthModule::class, false)) {
                  throw new \RuntimeException("PicoAuth module class must inherit from AbstractAuthModule.");
              }
  
              $name = $instance->getName();
              $this->modules[$name] = $instance;
          }
      }
docs: Loads plugin's modules defined in the configuration
  
  @throws \RuntimeException if one of the modules could not be loaded